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Lingering Obsession

Summary:

Hoshino Aqua is still on his conquest for revenge, finally finding out the identity of his father. In the process of his revenge, he starts dating Arima Kana. However, feelings and interest for Kurokawa Akane lingers.

A meeting on a familiar overpass leads to some regret, or maybe some liberation.

Spoilers until Chapter 98. No mention of his father. Only information on what Akane knows about Aqua's life.

Notes:

No spoilers past Chapter 98. No major spoilers other than what Akane knows about Aqua. No references to Aqua's father

Chapter 1: A little too obsessed

Notes:

(See the end of the chapter for notes.)

Chapter Text

Kana Arima - Are you coming yet? ❤️ [7:34pm]

Aqua stared at the text on his phone, walking towards the direction of the restaurant they decided to meet up in; they’d have a lovely dinner date. Along the way, he intended to buy flowers so he’d probably be a little late. He typed in his phone, forming a reply. 

Aqua Hoshino - Yes i’m almost there [7:34pm]

It hadn’t been long since the two started dating. In Aqua’s pursuit of revenge, he found the most capable way to protect her was through a relationship. He always thought the girl was interesting, but he didn't know if he currently loved her. 

Regardless, he would say it.

Aqua Hoshino - I love you [7:35pm]

Maybe one day that would grow into the truth. Lying is a form of love. His entire career has been based on lying in a literal way. That’s all acting is; being someone you’re not. Ironically enough, whenever she– the child prodigy– would act, her best work would be when she actually felt the emotions of her character. 

He figured dating her was the way to control her to do what he wanted. She was easily swayed so imagine how easy it would be if they were dating.

…No. That’s an excuse masked in his indecisiveness. He has a special bond with Kana. He told himself if he got attached then it’d be too late. His fears came true, and he’s smacking himself in the head for it. His plan didn’t need anything more than a friendship. And if anything, he didn’t deserve to be with her with all he’s done. 

He shouldn’t be with her. She’s in serious danger of something happening as long as she is with him. But he doesn’t know how much longer he can shoulder doing all of this alone. He just wants to be saved, he wants comfort, he wants something to fill in the hole in his stomach. 

He’s not cut out for revenge after all. Just a shitty brat. 

Kana Arima - I love you too [7:36]

A late response on that one. He bets she was just fawning over that text and overreacting or something. He smirked to himself as he strides alongside a familiar overpass. He took a moment and stopped. A cold sweat ran through his body.

Ah, right.

This is where his path for revenge really surged. Prior to it, he was just in a dream. He honestly had Akane Kurokawa to thank for it. And for the most precious moments of his life as well. 

She gave him a safespace, providing him with the happiest moments of his life. It wasn’t love, but it was something soon to be; similar to a budding flower. Maybe if he had just accepted her love…

No, there’s no other option. 

He walked towards the edge of the bridge, placing his hands on the handrails as he stared at the lit city ahead of him. The night sky had no stars, plagued by light pollution. Instead, it was merely illuminated by the citylights. It wasn’t the most natural view, but these artificial lights had their own beauty.

“You’re not thinking of jumping, are you?” a girl said from behind. 

He quickly turned his head over his shoulder to face her. She was disguising herself with a mask and a cap but it was still her. “...Akane.”

“...Hey.” She rested her hand against her elbow as she faced him.

He turned his entire body around, resting his back against the railing. “Of course I wasn’t gonna jump, I was just admiring the view.”

“Yea, I know,” she sighed as she took off her cap, exposing her pretty blue hair. She took off the mask as she walked up next to him, also leaning against the railing. If she knew, he’s not sure why she asked. They turned their heads to face each other. Oddly, he felt as if he missed her. Or rather, seeing her. “You’re dressed nice.”

“Oh, uh, yeah,” he awkwardly replied, looking down at his cardigan. “You too.” 

“I’m not though?” She tilted her head, looking at him weirdly. She wore an oversized jacket with black pants. She looked like a random pedestrian in the background. “...Anyway, what are you up to?”

“I’m off to do a little bit of shopping and then head home,” he lied. It wasn’t long after their break up; he didn’t want to share that he immediately started dating Kana. 

She gave an unimpressed expression as she pointed at him, “Liar. You’re going on a date with Kana-chan, right?”

“How did you…” He mused, but stopped himself. After spending so long with him, she probably picked up on his behaviors. She had figured out a lot of things about his past on her own accord anyway. “Never mind.”

“Aqua-kun, the liar, never stops lying,” she sighed to herself. “Anyway, how have you been doing?”

“My plan is going smoothly.” That wasn’t a lie. He saw her visibly frown.

“You’re going to destroy yourself.”

“It’s better me than you,” he glared. He wouldn’t forget when she willingly put herself in danger for him.

She paused for a moment. “I-I know what I tried to do, but I was genuinely trying to save you.”

“Why would you try to save me by destroying yourself?” he retorted.

“Because you deserve a happy ending more than I do. I mean, you saved me,” she put a hand to her chest. “I don’t care if I destroy myself if it means saving you…” Her eyes dulled, reminiscent of the cold expression he’d see in himself. It was a little scary to see how he changed her.

“...I see.” For a moment, he wondered if she still liked him, but he was wrong. She had an unhealthy obsession with him. Their relationship wasn’t stable; he ruined her.

“Does Kana-chan know about… what you wanna do?”

He shook his head. “She can never know.”

“But I can?” She raised a brow. 

He held his head down as he laughed to himself. “I don’t know. You shouldn’t have known. I shouldn’t have involved you, and I’m an idiot to do so.”

“You just wanted to use me, right?”

“Huh?” He replied as if that was the most shocking thing in the world. “Oh, right, yea…”

She tilted her head in response to his odd reply. “Um… Am I mistaken?”

“No, you’re right,” he reaffirmed. 

“...Yea, I must’ve been,” she breathed in.

They both paused in an awkward silence.

“I’m sorry, I don’t know why I stopped to talk,” she got up from the railing with a dry laugh, putting her cap back on. “I know you said you don’t want anything to do with me, and that’s fine. Sorry.” 

She began to walk away but Aqua stopped her by tugging on her sleeve. “Stop that, I didn’t mean it like that.”

She tore her hand away from his grip, tears in her eyes. “...How could it not have been any other way, Aqua-kun?” Every time she was with him, he felt like she was crying. It made him miserable. He felt as if he had to take responsibility. 

If he could guess what she was feeling, it’d be regret. Not that their relationship ended (she had always anticipated the end of it), but because she couldn’t stop him from treading down his current path. She blamed herself not being able to carry that burden with him. She has some sort of savior complex that he doesn’t need.

Though, it’s quite commendable.

He’s sure that Akane thinks of him more than a friend, but he never felt love from her either. He pulled her into a hug as she tried to stifle her cries; she was trying to look less pathetic in front of him. There was a part of him that wished she would fall in love with him. 

It’s true that when he was dating her, she saved him in more ways than one. He wondered if she realized that. He told her, but did she really get how much she saved him? She was initially just a tool to get closer to Ai’s past, but… 

She’s truly the only one who knew him . The weakest part of him. And she stayed with him until the very end. Everyday he wonders if he should’ve forgotten about everything and lived happily with her. 

Without thinking, he brought her into a kiss, using his embrace to pull her closer to him. She was tense at first, but slowly warmed into the kiss. It was an insatiable kiss, devoid of any thought. It was as if they were restrained for years but could finally let themselves go. He felt her arms snake over his chest to comfortably place them over his shoulders. 

They separated to take a breath, and Akane talked through harsh breaths, “Why… did you… do that?” 

“Why did you reciprocate?” He chided her, still embracing her in his arms.

“...I guess… I still like you,” she breathed. 

“And I like you too,” he responded without hesitation. 

“But, aren’t you with Kana-chan? God, this is so messed up…” She was fidgeting so obviously her thoughts didn’t agree with her moral compass. “I’m going to Hell.”

“We’ll go together.”

“You don’t have the right to say that anymore…” she looked down angrily. 

“I don’t?”

She bit the bottom of her lip as she glared at him. 

“We already started,” he said. 

“Ugh, I know but…” she complained. “God, whatever! Let’s just deal with this afterwards…” she closed her eyes tightly, sighing loudly. A smile crept its way through a rather guilty expression, “I missed you… So… Can we continue?”

He didn’t even have to respond. He leaned in and as he saw her close her eyes, his phone vibrated. “Uh, sorry, one sec,” he said as they separated from the embrace.

“Y-Yea…” She brushed her hair with her hand. 

Kana Arima - Its not good to stand up a girl like this. No wonder you havent had a real girlfriend before this. Wya? [7:45pm]

He slightly forgot about that. By slightly, he meant completely. He put his hand on his head in shame, “Ah, shit…” 

“Your date, right?” She started to step back. “I-I should probably go for real. Listen, I won’t tell anyone about this. I-It’s not right.”

“No, stay, um… Please,” he selfishly requested as he fumbled with his phone. 

Aqua Hoshino - I’m sorry, give me a second. Something came up. Actually, it’s probably best you go home. I’m so sorry. Let’s reschedule for tomorrow. [7:45pm]

“Alright,” he tapped the send button as he walked towards her with lustful eyes. 

He’s sure of it now. The reason he dated Kana was so to fill in the missing hole in his heart after he broke up with Akane. Therefore, it’s okay for him to be selfish once, right? His consciousness had no say to his desires. 

“A-Aqua-kun, wait,” she held her hands up forcing him to stop.

“What?” She pulled him out of fantasy back into the real world. 

“We’re celebrities, remember? And… We’re not dating. Even disregarding ethics, we aren’t a public couple.” 

He blinked. Oh, right.

“How about we continue at my place then?”

“...Okay.” A guilty smile formed on her face.


She really did miss him. It didn’t take her long to attach herself to him like when they first started dating. Her arms were coiled around his arm like a snake preparing to devour its prey. In this scenario, she’s not too far off from the snake. 

“Can I come inside?” She asked with a gentle smile. He bit his tongue in anguish. She was similar to Ai, whether that was intentional or not. The guilt started to seep through him. Yet, that’s what made her all the more desirable. The snake tempted him, and as he gulped, he realized he was about to bite into the forbidden fruit.  

He opened the door, and closed it behind him.

They kicked their shoes off and immediately embraced each other, melting into a forbidden, yet overdue kiss. 

He bit the fruit.

In the tight embrace, he pushed her back against the wall, holding up one leg as leverage. ‘This is so fucked up,’ he thought in the back of his mind, but his moral compass stood no chance to his desires. It didn’t help that Akane was reciprocating it and accepting all of him. His hands moved over her shirt, cupping her breasts and squeezing. She gripped the collar of his shirt tightly, exposing a lot of his chest. He couldn’t tell if she was trying to tear it off of him with her ferocity. 

After a minute of messy kissing, they took a moment to take a breath. He wiped off the saliva from his lips. He was panting, but not as much as her. He felt that his heart was about to pop off his chest from both fear and lust. “A-A little touchy, are we?” She giggled. There was a small part of him that really missed her. 

“Hey Aqua,” she whispered through her breaths, “is Ruby-chan coming home?”

How could he have forgotten about that? His mouth stood agape and Akane giggled at his reaction. “...No, I think she’s having a sleepover with her friends.” How convenient. 

Another laugh made its way through. “Then, that means we don’t have to contain ourselves, right?” She whispered in his ear. He felt his entire body tense up as she rubbed his “lower area” through his pants. He heard himself gasp before she kissed him again, muffling any protest he could give. 

He could tell she was inexperienced, but regardless she was so desirable. Her scent and touch bewitched him. With each caress, the burning desire to just do her increased. He felt himself melt as his lust-fueled fingers found their way to start unbuttoning her blouse. 

Yet, at the same time he was dating Kana. 

Should he? He kissed her. Is this right? Her mouth hung open as she inserted his tongue in his. What if Kana finds out? He found himself touching and grabbing at her at every opportunity. 

“...Should I really be doing this?” His inner thoughts leaked out. 

“Just think about me,” she purred. All doubts were purged with her seductiveness. He’s sure now.

He wanted this from the very beginning.

They slowly moved off of the wall, continuously making out. Every sense was intoxicated of her . She smelled and tasted so good. He stripped her of her jacket as she unbuttoned his cardigan. “If I knew I was gonna do this, I would’ve worn something better,” Akane rested her forehead against his, talking in between their kisses. 

“You’re already pretty enough, so why does it matter?” He said nonchalantly as they made their way to his bedroom. He felt her smile into his lips. She pulled his pants down by his waistband and he kicked it off. In return, he took off her shirt to reveal her beautiful body. She really was gorgeous, her body type was similar to that of a model (although she sort of was). In his past life, he never got with a woman this alluring. It aroused him to no end seeing her exposed finally. 

When they entered the bedroom, leaving a trail of clothing along the way, he pushed her down onto the futon. She yelped as her back hit the soft surface and he apologized with his tongue. She kept pulling him closer into the kiss with her arms placed on his shoulder. As if it were natural, her legs encircled around his waist. She teased him through his underwear as she slowly moved her hand over his erection. 

“Already worked up?” She teased, giving her best attempt at confidence. Though, her expression denounced her with her rosy cheeks and twitching smile. 

“Shut up,” he shut her up with another kiss, his saliva mixing with hers. He felt her grip on him tighten. He rubbed his knee against her lower area as she gasped into his lips. She reached underneath his waistband to grab his shaft and stroke him slowly in some sort of lustful revenge. 

He couldn’t restrain himself anymore. He had to get a better taste. “Wanna go further?” He asked, but he was already pulling her panties down. She quickly nodded her head, smiling bashfully. 

He separated from the kiss and wiped off the saliva on her lips, grinning lustfully. He adjusted himself to go between her thighs, practically burying himself between them; she let out a faint whimper.

His tongue brushed over her folds. He could feel her thighs tighten around his head; it seems she’s aroused. His tongue went in slow circles around her clitoris. He couldn’t tell if it was her saliva or her arousal dripping down his chin. 

“A-Aqua-kun, stop.” He did. He moved back using his arms to hold himself above her. “Let’s go further already…” 

Her begs made him want to start immediately. He moved up, aligning his crotch up to her pussy. 

She pulled his underwear down just until his dick popped over the waistband. She smirked as she pulled his ear to her mouth, “By the way, I’m on birth control…”

“Really? For what purpose?” He grimaced. The thought of her with another man was excruciating. 

“You never know what happens in the industry…” She smiled, rubbing her fingers along his shaft in a circular motion. Her fingers would linger over his tip, but then slowly move back down towards his base. “Though, you’re still my first time.” Her smile was infatuating, pairing well with how hot she looked when finally stripped. 

“You…” he gasped. He grabbed her wrist and put it over her head. “Don’t work me up so much,” he retook control, yet she was still smiling. Her gaze was switching between his dick and his face, acting as a sort of beg to let him put it in.

He would give into that beg, first rubbing his dick over her pussy just to tease her. He wanted to see her reaction. She had a look that screamed, ‘Please do me already.’ Therefore, he obliged as he thrusted into her. A stifled moan released from her mouth as she tightened her grip around his back. Ecstasy ran through his entire body, he could barely stifle his own moan as he grit his teeth. 

She was just perfect. For a moment, he didn’t move as the sensation of being in was too great. 

It was so warm, and he found himself wanting to go deeper and deeper. He thrusted into her, mashing his lips against hers as she reciprocated; this time he wanted to show how intimate and passionate he was for her. Every moan she emitted was stifled by his kisses. 

“Does this… mean… I won?” She said through her gasps, smugly smirking at him. “...Against Kana-chan?” The comment stopped him for a second. He almost laughed at her pompousness, but he didn’t dislike it. Actors really are competitive. 

“Yea,” he replied, pushing himself deeper into her as her legs tightened around his waist. Despite how wrong it was, she looked satisfied. Like if she had proved something. 

Now he knew why she was doing this despite his current relationship with Kana. She was obsessed with him. It’s surprising. It’s uncharacteristic. It's toxic.

It’s useful. Because he’s obsessed with her too. 

Akane gripped the sheets tightly with her available arm. She rested her forehead against his, catching her breath. She buried her face in his neck, trying her best to stifle every feeling inside of her. She had to get out all of the pressure building into her, so she started leaving some love marks on him. He smirked. 

“F-Fuck… I can’t believe this is actually happening,” she said through restless breaths. Her dialogue melted into another moan as Aqua decided to be a little bit more rough. 

“It is,” he pulled her up on his lap with his dick still inside of her. If she had any doubts, they were smothered by this moment. He saw her smile lustfully, moving her body up and down. Her legs were straddled around his waist. She did the work herself, her expression faintly changing each time she lowered herself back down again. Regardless, her pleasure was evident. And so was his. 

As she bounced on him, he bit and sucked at her neck, this time more carnally. She let out an audible moan this time, pulling him closer in an embrace. Her breaths were sharp and disconnected. She was entranced with him.

With each bounce, he felt himself get a little more restless. The sensation of her bare skin rubbing against him as she moved on him set him on fire. Any further and the line between love and lust would be cut. His hand made its way to her hip, caressing her as if praising her for being such a good fuck.

He craved her. She was just so soft. Every part of her. His hand slid over to her ass, squeezing it, rubbing his hand along it, worshiping it. He didn’t know it was possible to be this soft. “P-Pervert…” She moaned. Naturally, she pushed his face out of her shoulder. 

“What about it?” He mused as he found himself slapping her ass. She yelped with false anger, smirking. 

“Come here,” she cupped her hand against his cheek to pull him into another kiss and continued to bounce on top of him. Each kiss was more messy than the next. The sophisticated make out session was gone as they didn’t care anymore. They wanted each other. Saliva rolled down his chin as he kissed her. Spasms wracked his entire body, overwhelmed by the mass amount of pleasure.

The way she moaned into him was driving him crazy. His head pulled back, his breath hitching as he just had to take it all in. He looked at her messy hair and her overwhelmed expression, her eyes practically rolling into the back of her head. One certain bounce made a zealous scream exit her body, turning him on to no end. He found himself thrusting in rhythm with her, just to get deeper. Her fingernails were scratching into his back as he continued to make out with her, both their mouths slightly open to let out occasional moans. 

The pressure in his cock was getting too much to handle, pushing her off for a moment just to catch his breath. She took the opportunity to as well. “F-Fuck…” She gasped, placing her hands on her breasts. “D-Don’t tell me you’re done?”

“No, I just want this to last longer,” he admitted as he wiped his chin. 

“Ah… So you’re close…” She almost looked prideful. Her smile stayed as she bent herself over, resting on her forearms and knees. “Just for whenever you’re ready…” She turned her head over her shoulder, smiling coyly.  

Fuck, he really couldn’t contain himself. Not when she’s teasing him like that. Why did she have to say it like that? And pose like that? If he could’ve gotten more hard, he would’ve. Therefore, one last time, he thrusted into her: this time from behind. He saw her bury her face into the sheets, stifling her own moan. 

That couldn’t do. He wanted to hear her. He grabbed her by the hair, pulling her face out of the sheets. He heard her yelp before subsiding into quiet embarrassed whimpers. “Ohh… Mmmmm…” She tried to contain her moans but with each thrust she couldn’t contain herself anymore. 

He couldn’t blame her. Tears were welling in his own eyes from pleasure. It made his thoughts hazy and he could only think about pleasing himself. 

More. More. More. The voice resonated in his head. Pleasure pulsated through his dick, pressure bubbling up threatening to burst at any moment. 

“A-Aqua!” She screamed without any honorifics. “Oh god…!” She gripped the fabric of his sheets tightly, her body pulsating from her pleasure and the force of Aqua thrusting into her. Her whimpers turned into moans. 

“You wanted this, didn’t you?” He said, chiding her. He didn’t know what came over him. Maybe the frustration of his revenge, maybe with her, maybe with simply everything . He just wanted to take out his anger through the expression of lust. He wanted to put more force. “You confronted me because you thought there was still a chance for us to hook up?”

She couldn’t respond through her moans and pleasure. Her knees were buckling. He loved every part of her; her warmth, her tightness, her moans. 

“Well, how do you feel now that it’s actually happening? Is this what you wanted?” He pulled her hair again, placing his other hand on her hip. She gasped, her entire body shaking. 

She probably wanted to retort,  but she couldn’t even muster another word. Only exasperated moans and breaths. She was timid when he first met her but even he could tell how much she wanted him right now. 

“You did everything for me. How obsessed with me are you?” He laughed. “I used you during our entire relationship but you still wanted to save me? What is wrong with you? Even now you wanted to see how I was doing. I’m not even with you anymore.” He blamed her for staying with him all this time despite the person he was. She wouldn't stop moaning and screaming his name. 

“Even though I used you, I’m practically still where I started from the beginning. I have made no progress towards my revenge.” This time, he blamed the world as he thrusted into her. The pressure was bubbling through, threatening that he was about to finish. He bit the bottom of his lip as he tried to contain himself, if only for a little longer. Her body trembled with pleasure, knees buckling and threatened to collapse at any moment. Thankfully, Aqua was holding her up by her hair. Just a little bit more. 

“I became this way because of my revenge, yet you still liked me… I’m the most pathetic I’ve been and you liked me.” This time, he blamed himself. “No matter how much I wanted you, you couldn’t amount to my revenge.”

“AAAHHH!” She moaned, her entire body shaking as she erupted in ecstasy. At the same time, Aqua thrusted one more time, gripping the sheets tightly as he finished in her. He immediately pulled out and fell on his back, facing his ceiling. He noted the exaggerated rise and fall of his chest as he breathed heavily; he hasn’t been this tired in a while.  

She was breathing heavier than him. He looked over at her from the corner of his eye as she tried her best to catch her breath. She was still on her stomach.

“...Sorry.” He said afterwards. He placed a hand over his forehead in shame. “I don’t know what came over me.” Even before he was Aqua, he never disrespected a girl like that. Was he angry with… her? The world? He couldn’t tell. But he couldn’t deny that he felt a little better after everything. 

Is sex a good stress killer?

“Don’t worry about it,” she said through harsh breaths, a smile on her face. She was chewing on her lip, clearly entranced by something. 

“...Oh.” 

So she was one of those girls. 


He rested on his side, facing away from Akane. They were on opposite sides of the futon; he’s lucky he had a rather large one. 

His phone buzzed. He reached out his hand and grabbed his pants pulling them over. Afterwards, he got the phone from his pants pocket and stared at the texts. Ignoring the other ones Kana had been sending, the most recent one kinda broke his heart.

Kana Arima - go die you jerk [11:33pm] 

Did he get caught? He tossed his phone to the side and rolled on his back. 

“Aqua-kun?” Akane muttered. “Please don’t tell me this was a mistake.” She caught onto his current dilemma. 

He remained silent.

“Ah…” Her voice dropped dead. “You’re gonna make me cry again.”

He shouldn’t have been swayed by his lust. His full focus should’ve been on revenge. He stared at the ceiling with widened eyes. This blunder might’ve cost him the entire plan. He needs both Kana and Akane, but now he only has one option. 

Unless he keeps up a bitter lie for both.

“It wasn’t. I really like you.” He paused. “But-”

“Stop,” she cut him off. “I know you’re gonna say you need to be with Kana-chan, and that’s fine.”

It’s fine?

“Because, even if our relationship is like this, I don’t mind…”

“Huh?” He turned his head.

She did as well. “I don’t mind continuing to be your side as long as it means I can please you.” she put her finger on her lips, winking. When did Akane get so risky? Was she always like this? “You can’t deny that you feel better, right?” 

“I mean, yea,” he stopped. It’s true. The painful knot in his heart had loosened a little bit, embarrassingly enough to admit. 

“If this is a way of saving you, I don’t mind you using me in this way.” Her unhealthy obsession with him was starting to manifest. The lengths in where she'd go just to save him was outright scary. She said that she wanted to be seen as a person, but isn't this the opposite of that?

He gulped. But at the same time, he was aroused. Out of every girl he’s done it with, she was his best time. Probably because he was actually attracted to her body rather than some other girls he had seduced when he was Gorou Amamiya. Akane Kurokawa really was a reliable companion. “...Haha. Okay. Deal.”

He was simply obsessed with her.

Notes:

This is the first time I wrote something like this. Anyway, I hope you enjoyed it! If I’m gonna be totally honest, I only wrote this to fuck with my friend who liked Kana and Aqua together while I prefer Akane and Aqua. However, I’m pretty sure that Aqua x Kana will be the end goal, which I don’t hate. I’m kind of indifferent to whoever Aqua gets with; it doesn’t matter to me as long as everyone is happy, which I doubt will even happen. No matter what, I stay losing on this ship.

Anyway, thanks for reading. I hope it was accurate to the characters and it was an enjoyable work. I’ve never written smut (to share with the public), so this is my first time. I might make a sequel if it's desired as I had to delete a lot of stuff as I continued to write, pasting it somewhere else.

Hopefully it wasn’t bad. Again, thank you!