Chapter Text
When Saiki and Akechi started dating, not a lot changed. Akechi often visited for a piece of cake and a few cuddles. Which mostly, he only received one of those. He still visited. Saiki’s mother grew fond of him. His father didn’t see him a lot. And the class didn’t care.
Today was one of those days where Akechi visited.
“Good day, Saiki. Your mother let me in earlier. She had a bright smile on her face. I think she’s glad you finally found a partner. Even after six months she still looks at me that way. Honestly, I’m a bit flattered, if I may say. My mother didn’t care when I told her about you. Did you even meet her? Oh, yeah you did! Back in second grade. But you sure have changed since then with your glasses and hair clips. I’ve never came up with a proper name with that. I don’t think you—“
“My god, Akechi, that’s enough.”
“Ahh! Sorry, I guess I’ve gone back to my rambling. I’m not doing that on purpose, I promise.” Akechi chuckled lightly, sitting down next to him on the edge of the bed. “What manga is that?”
“Silent Cyborg.” Saiki answered curtly.
“I heard of this one. I’ve never read it before. Is it good? I heard there’s not a lot of fan service so it’s perfect for you.” Akechi continued with his usual cold smile that didn’t reach his eyes. His thoughts were so jumbled, it slightly overwhelmed Saiki. He was just lying on his bed, reading the manga and listening to Akechi’s useless rambling.
“Do you know what’s funny? Silent cyborg is not such a popular manga at all! But I can imagine why you read it. Being a mind reader, it’s easy to get spoiled by one slipping thought of a stranger. That’s probably why you never buy the newest video games, huh? Most things you bought are cheap parodies or games I’ve never heard of before. You know, there are board games you can play by yourself. There won’t ever be spoilers and… you…”
His voice slowly trailed off. So did his thoughts for a moment. Saiki looked up to find Akechi staring at his crotch. He had his legs spread slightly so he instinctively closed them.
“Bold much?”
“Ahh! Apologies. My wandering gaze again, huh? But I can’t help myself around you. Not that I’d ever want to make you uncomfortable. I can control my eyes better than my bladder sometimes.” Saiki scrunched his nose at that information. “You really should get that checked…” He replied telepathically before looking back at his manga.
“Ah… Kusuo?”
“Hmm?”
Akechi crawled over, putting his hand on the manga and lowering it to look into his eyes. “On that topic… I guess my wandering gaze has made quite the mess in my pants. To be honest, I didn’t stop thinking about you since yesterday for some reason. I don’t even recognize myself anymore. It’s quite surprising that my thoughts could wander as well as my eyes—“
“Get to the point. I can’t listen to you think and talk at the same time. ”
He chuckled again. “Do you mind if you take care of me?”
A pause.
There was no shame or embarrassment in his voice. He did not feel bad for asking at all. And it wasn’t the first time either. Actually, they were both intimate rather frequently. But recently, Saiki had been giving him blowjobs more than normal. Akechi didn’t know why, but he didn’t mind either.
“ Of course.” Saiki replied before closing his manga and sliding off the bed. He carefully kneeled down between his legs.
“Are you sure you want to help me that way? Not that I mind. I never mind any kind of touch from you, Kusuo. But you have done this rather often the last few—“
“Shut up and let me.”
“But of course…”
Akechi slightly spread his legs, allowing him to unbuckle his belt. He was silent, which made Saiki go slower before stopping. “Aren’t you gonna say anything?” He asked, looking up at him. Akechi tilted his head. “Is there anything to be said? Honestly, I don’t think there is much to talk about. Also, you just told me to shut up.”
Saiki squirmed before resuming. He pulled down the zipper of his pants just enough to reveal the bulge in his boxers. He stopped again. “You’re too quiet.” Saiki grumbled, looking up at him again. Akechi tilted his head once again. “Apologies. Is it bothering you?” — “Yes”
“How curious. You usually complain whenever I talk too much.”
Saiki turned his head to the side, making sure he didn’t see his blush. “To be honest with you… You kinda turn me on whenever you talk that much.” Saiki admitted. Akechi straightened up, squirming slightly. “That’s a relief. I almost thought you were embarrassed of the slurping sounds.”
Saiki cleared his throat before turning his head back towards him. “What would you like me to talk about?”
“Anything.”
“Give me a topic.”
“Anything.”
“That’s not a good topic.”
Saiki sighed, pinching the bridge of his nose, still eye to eye with his crotch. He just wanted him to talk, any topic would be fine. So he decided to come up with anything random, preferably something he was passionate about. He was good at thinking logically so maybe something like Math.
“Just tell me about your favorite prime number.”
“Oh! I like that topic!” He clapped his hands together.
Then Saiki started.
He pulled down his boxers, just enough for his cock to be revealed. It wasn’t overly huge, nothing extraordinary. Maybe a bit larger than average. The slight bend upwards was always a benefit. Slowly, Saiki opened his mouth, engulfing the tip while Akechi started talking.
“Well, my favorite prime number must be the number seven. It has so many cool facts about itself. Sure, there’s other numbers with even more facts, but this one just tickles my brain. Heh, that’s a funny analogy. Anyway, first off, it’s definitely aesthetically pleasing…”
Akechi’s hands were both gently placed on Saiki’s head, occasionally running through his hair. Both of them barely noticed. Saiki’s eyes never stopped looking up at him, both of them holding intense eye contact. This time, he couldn’t hide his blush. Akechi’s eyes were deeply dark, his pupils barely visible and they had a certain shine to them whenever someone lets him speak.
“It almost looks like it’s the big brother of the number one. Or sister? I guess we’ll never know. Not that it’s important. We just shouldn’t start giving numbers genders, that might be confusing. Anyway, the number seven also occurs in nature. There are seven days of the week, seven continents, seven seas…”
Saiki took his cock deeper, half of it inside his mouth. He already pulled back to lightly suck on his tip, his tongue gently licking the hole of it. Akechi’s smile faltered just for a second, his eye twitched just slightly, but his rambles were uninterrupted.
“It can’t just be a coincidence, right? Seven is such an amazing number, it’s even the most common favorite number amongst people. Probably because it’s used so much. A lot of people use that number whenever they have to choose a random one.”
Saiki’s head went back down, his cock hitting the back of his throat. He gently pushed Akechis thighs a bit wider apart. He then pulled back and went back down, his head bobbing in a rhythmical motion for his throat to get used to the routine. And Akechi didn’t stop talking, nor did he make any sounds of pleasure yet. That’s what Saiki liked to call ‘Stage one’. He just keeps on talking and talking but he also doesn’t mind the pleasure of getting his dick sucked.
“Yes, it truly is amazing. Did you know that the number seven also occurs in religion? The Muslims for example believe in seven heavens. Hey, that rhymed!”
The corners of his mouth twitched and his eyebrows were now knitted together in a hint of pleasure. His breath also got heavier, his hands still resting on Saiki’s head.
“Mhm… Also in Judaism…” his voice wavered. “The menorah sometimes has seven branches depending on the purpose…” He tilted his head back. Saiki quickened bis pace. He was about to enter ‘Stage two’, Saiki’s favorite stage.
“A-and in Hinduism… ahh…” he moaned softly, his Adam’s apple bobbing with the swallow of his spit. Meanwhile Saiki was already working his best, using his mouth to please him. One hand came up to stroke the rest of his cock he couldn’t fit in his throat.
“In Hinduism… there exist seven chakras but… I don’t think religion is a good topic to bring up in this situation…” Akechi turned his head back town, watching Saiki work hard for his pleasure. He put one hand on the mattress to support his own weight, the other gently leading Saiki’s pace while his hips moved to the rhythm. Not thrusting hard into him, but gentle movements since he couldn’t just sit still.
“Seven… is also considered a l— ahh~… A lucky… n-number… ahhhh…” he panted, his cheeks now flushed a pretty pink. Yes, Saiki loved that stage. His rambles were interrupted by his moans. He loved how vocal Akechi always was, it was such a turn on. Saiki increased his sucking motion, getting Akechis thighs to quiver.
“N-Ngh… a-and the number seven also occurs in… other… random stuff ah… l-like the seven colors in the rain— b- ahhhh~… rainbow…” He arched his back, feeling himself even drooling slightly. Saiki couldn’t get his eyes off him. His voice was so beautiful and his face even more. He was almost tempted to make a photo, but he can use his powers to do that later.
“K-Kusu-oo… ahh…” that was stage three, the last stage. No coherent sentences, just moans and babbling.
“You don’t have any more facts for me about the number seven?” Saiki asked telepathically.
“S-seven… number s-seven ahh… I don’t remember…” Akechi panted heavier now, feeling his lower stomach tightening slowly. “I don’t… can’t… think… ahh~…!” Akechi’s eyes closed and Saiki gave his best. He quickened his pace, sucking harder. “K-ku— ahhn~ Kusuo… I’m close…” He groaned, biting his bottom lip as he pressed his head down further.
And after a few more bobs of his head, Akechi arched his back, letting out a whorish moan while coming into his mouth. Saiki groaned, flinching back slightly as he felt his cum shooting down his mouth. He hated the taste of cum, so he pulled away and spat it into his hand. It felt weird in his mouth, all tingly and uncomfortable. By the many times he’s done this, you’d think he learned how to swallow by now.
Akechi meanwhile had collapsed onto the bed, looking up at the ceiling. He panted, his head lolled to the side. “Mnn… Thank you…” Akechi breathed he heavily, staring at the ceiling. His eyes were heavy and he had a silly smile on his lips.
“Do you want me to return the favor…?” He slurred, looking down at him lazily. Saiki stood up.
“Another time.”