Chapter Text
Hermione rolled her eyes as the portrait swung open and the two walked into the common room.
"Honestly, Harry, it's not like I'm in love with her. I just said that she looks nice."
"That's not the word you used, Hermione," he smirked. "You were pretty flustered when Parvati bent over in front of you to pick up that scroll... 'God, she's hot,'" he mimicked her voice.
"So what if I'm attracted to her a little? I don't have to date everyone I find attractive," she argued, settling onto the sofa.
Harry carefully stowed away the mysterious Half-Blood Prince's book into his bag before sliding in beside her.
"She's not just anyone, Hermione, she's your roommate, and a fit one at that. I'm not saying you should date her, but a few kisses here and there won't ruin your friendship," he wiggled his eyebrows suggestively.
Hermione scoffed. "I didn't expect you to say these sorts of things, Harry,"
He raised his arms in mock-surrender. "It's not me making things up, Hermione,"
He cast a glance around the common room, before leaning in conspiratorially. "I've heard some interesting things about her and Lavender. Apparently, they do some things which cross the line of friendship every once in a while..."
Hermione blushed. "Really?"
He nodded, grinning. "Now that's a pretty sight to imagine,"
Hermione gulped for a moment as images of the sexy Indian witch being intimate with her busty blonde friend flitted through her mind.
But she shook her head. "No, Harry, it's too risky. I don't want to ruin our friendship."
He sighed, leaning back into the seat. "Alright. I guess I knew deep down you weren't willing to do something exciting."
She scoffed again. "Exciting? Need I remind you of all the deadly things we've been through? That's enough excitement for multiple lifetimes!"
"That's different from this, Hermione. It's fun to do something risky once in a while, to tiptoe the line of propriety. But I suppose you aren't that kind of person."
"Well, not that I want to, but if I did, I'd do it!" she said.
Harry smirked slightly.
Hermione grit her teeth. She knew he was riling her up on purpose, poking at her ego so that she'd agree to whatever stupid idea he had, but she found herself powerless against her own psyche to stop it.
"How about this, Hermione. If you aren't so unexciting, let's play a game."
She raised an eyebrow. "If it involves me flashing you again, Harry, I'm going to practice my hexes on you."
"It doesn't, I swear! Well, not a first. Anyway," he hurried, seeing the malevolent glint in her eye, "How it works is that every day, you and I will give each other dares to do something exciting with someone, starting off small."
Hermione narrowed her eyes, mulling it over. "Well, then as a rule, no embarrassing or painful stuff. I don't want to ask Colin Creevey to shag me in the Great Hall, or something."
He nodded. "Of course, nothing too embarrassing. We'll never dare the other with something which is very unlikely. And as something a little extra, on any one day in a week, one can ask the other for an additional thing, a favor, if you will."
"A favor?"
"Well, let's say that on Wednesday, after I've given you your dare, I also ask you to do something for me. That could be an example of a favor," he failed to hide his smirk.
Hermione raised an eyebrow. "I'm not doing anything which you make me. Not even if it's just to complete your essays. Although, judging by that smirk you're trying to hide, I think you would've asked something much sexier."
Harry sighed. "I didn't really expect you to agree. Fine, how about we research in the library tomorrow, and find something impartial?
She put her hands on her hips. "You've put quite some thought into this, haven't you?"
He grinned guiltily. "Well, I think it'll be a fun little competition between us. What do you say, Hermione?"
She bit her lip, silent for a minute, before nodding.
"Looks like you've been here a while," he commented, taking a seat beside her in a secluded corner of the library, peering at the tomes spread around on the table. "Eager, are we?"
She glared slightly. "I've put in work to get your game started, so how about you do the same?"
He held up his hands, before grabbing a thin yet old book from the mess.
"'Magicks Most Erotic?' So you do want to flash me?"
She paused, her cheeks coloring slightly. "Isn't that the whole theme of this game? Doing raunchy stuff with people?"
"Well, I never specified we owed each other something 'Most Erotic', but now that you've broached the topic, I wouldn't say no."
Her entire face turned red, and she shut the book she was holding softly. "Oh."
Harry fought down his laughter, and placed a gentle hand on her shoulder. "Hermione, I know I've joked about this, but really, I don't mind. We can do whatever you're comfortable with. It doesn't have to be this."
She nodded slightly, before carefully setting the book on the table.
"I want this, Harry,"
His eyebrows raised, heartbeat quickening slightly. "Oh?"
She cleared her throat. "That is, I wouldn't mind if our favors were of a 'Most Erotic' kind."
He felt a little premature stirring in his groins, but quickly cleared his mind, employing Snape's new Occlumency lessons for the first time maybe ever.
"Alright then. Let's research."
They spent the next few minutes flicking through increasingly devious and debauched books on the topic of erotic dares, which were in reality intended for couples keen on experimenting in bed.
"Look at this one, Harry,"
He peered over to see a long list, containing several acts ranging from simply a kiss on the lips to...
"Merlin, that's quite a detailed description," he chuckled. "They even have a cute little diagram of the position right there,"
Hermione blushed. "The way it works is that you tap it with your wand, and it randomly selects an entry on the list and highlights it."
Harry nodded. "That sounds perfect. Although some of these are a little... extreme, don't you think?"
Hermione chuckled, nodding. "Definitely. Let's cross a few out."
She and Harry began eliminating a few items, and in some time, their list was ready.
"I think we're done. You don't object to any of these, right?" she asked.
"Nope, we're good to go." he grinned.
Hermione rolled her eyes. "You sound way to eager."
"Forgive me if I am."
He held out his hand, and Hermione shook it, a sense of finality and eagerness settling over the two of them.
Harry woke up feeling more eager than he had in a while, quickly freshening up and amusing himself by listening to Ron's sleepy mumbles before meeting Hermione at the bottom of the stairway.
She was trying to put on an aloof expression, but was failing miserably. He could sense the conflict of anxiety and keenness in her eyes.
"Good morning," he said, Hermione replying softly.
"Should we just... say them?" he ran a hand through his hair, finding the silence awkward.
"Yes, I suppose. You go first,"
He took a breath. "Alright. Your dare for today is to kiss Parvati on the lips."
Her eyes widened. "Harry, that's way too much to start with!"
He held up his hands. "Hear me out, Hermione. We have charms today, and she's bloody brilliant at it, as we both know. You can pretend that you're struggling to perform a charm, and show her you're really impressed at grateful to her for teaching it. Then just go for a peck on the cheek and stumble slightly, so that you kiss her on the lips instead."
Hermione pinched the bridge of her nose. "That is so convoluted, Harry."
"It really isn't! You just have to make it convincing. Besides, even if you botch it a little, I think she'll be more flattered than anything."
She sighed. "Fine."
He grinned. "So, what's my dare?"
Now it was Hermione's turn to smirk. "Today, you're going to have Cho sit on your lap."
He raised his eyebrows. "As if I haven't been trying, Hermione."
She laughed. "No, I have a plan for you. Professor McGonagall's going to be taking the class to Hogsmeade for a special lesson today to Mindy's Curious Collection, to study the various complex transfigurations on display."
He'd quite forgotten about that in all his excitement, but he smiled. "Should be fun."
"It will be, for you," she continued. "While on the way there, I'll convince Sue Li to let us sit in their carriage, since we're friends. And I'll somehow make sure that Cho gets in last, so that there's no place for her to sit, and conveniently, no one will be able to let her sit on their laps except for you."
He whistled lowly. "That is a much more complicated plan than mine, Hermione. Don't let me hear you complaining about my dares again."
She smirked. "I'd say it has a pretty high reward. An entire carriage ride with her on your lap; you would've killed to be in that position any other time."
He found himself mirroring her expression. "That's true, I suppose. Let's do it, then."
They shook on it, and the two teens were bubbling with excitement as they began their day.
Hermione's palms were sweating as professor Flitwick continued with his lecture.
Parvati was right beside her, voluminous black hair tied in a ponytail, accentuating her jawline. She was paying attention to the professor, chin casually resting on her hand, absentmindedly running the feather of her quill down her face.
She peered over her shoulder to see Harry's reassuring grin and thumbs-up, and sighed softly.
As the professor left them to practice the spell, Hermione found that it was, in fact, a tricky charm, made trickier by her substandard focus during his lecture.
"Erm, Parvati, can you help with this? I can't really get it to work," Hermione remembered to pout a little, leaning in slightly.
She smiled. "Sure! Alright, let's see how you're pronouncing it..."
As Parvati guided her through it, she would often hold her hand to correct her wand movement, her skin prickling at the contact.
"Hermione, your posture isn't quite right," she said, and her hand snaked down Hermione's back to rest near her waist, gently pushing her upright.
Hermione blushed, thanking her.
She could feel Harry's smirking gaze on her.
At the end, she managed to perform it pretty well thanks to Parvati's teaching. Now, for the important part...
"Thanks, Parv," she smiled genuinely, before leaning in for her cheek.
Right then, Harry accidentally dropped his book and lunged for it, making contact with her back, nudging her slightly.
She saw Parvati gasp slightly as their lips met.
Hermione felt heat gushing through her, her cock stirring in her panties as her lips pressed firmly against Parvati's, feeling their softness.
And Parvati moaned softly.
Hermione was rock hard instantly.
The two hastily pulled away, stuttering and apologizing.
"Sorry, Hermione," Harry cut in, grinning easily. "My book fell."
Giving him a grateful look for taking the pressure off of her, she looked back at Parvati to see her smiling coyly, still a little flustered. "Well, I suppose accidents do happen,"
And then she leaned in slightly, whispering in her ear, "But I know you wouldn't mind this accident happening again."
Hermione pressed her thighs together firmly, worried her skirt might just tent from how aroused she was. She could do nothing but gulp as Parvati went back to her own work, winking at her.
She turned back to see Harry with the biggest shit-eating grin ever.
"That went okay," she said as he fell into step beside her.
He laughed. "Okay? I don't think it could've gone any better!"
She smiled, too. "It was something, wasn't it?"
"Yeah, especially when you popped a boner after kissing her."
Her lips parted slightly. "You saw that?"
"Oh, my sweet Hermione, so did she. I caught her glancing at your crotch every now and then."
She moaned, hiding her face in her hands. "She probably thinks I'm weird now."
"I wouldn't count on that. She didn't really avoid you after class. Anyway, transfiguration's next," he grinned.
Hermione felt her confidence return a bit, the promise of revenge on the horizon. "Yep. Get ready, Harry."
Harry felt only a little bad about telling Ron, Dean, and Seamus to be on their way due to him being late.
Especially when he spotted Cho a little further ahead with her friends wearing tight muggle jeans.
"Oh Merlin," he gulped, deliberately looking away.
Hermione grinned, nudging him with her elbow. "Set your sights on the target, Harry. It's time to begin."
They followed the five Ravenclaws from a little distance, seeing that they had decided to sit in the last carriage.
Hermione took out her wand and cast the summoning charm under her breath.
Cho yelped as her handbag was yanked from her shoulder, skidding across the grass to a stop a fair distance away.
"What in Merlin's name? My wand's in there!" she said, looking around for a culprit, but Hermione, thinking on her feet, pulled Harry and herself behind a tree just in time.
"You guys go on, I'll come back," she said, and her friends set off.
As she strolled across the grass to get her purse, Hermione quickly dragged Harry toward her friends, careful to not be seen by Cho.
"Hey, Sue!" she called, and the Ravenclaw brightened upon seeing her.
"Oh hi, Hermione!"
"Is it alright if we sit in your carriage? We lost track of time," she said.
"Oh sure! Cho's coming too, but she could sit in someone's lap."
Hermione gave Harry a subtle side-eye, before the six of them clambered in.
"I'm sorry to be a bother, but could I unshrink my project? It'll occupy a little space but I want to tweak a few things before I show it to professor," Hermione said.
A girl raised her eyebrows. "Isn't that due next month?"
Hermione nodded. "It is, but I completed it early. Sorry to be a bother,"
Sue waved it away. "No problem, Hermione, I think it would be good for us to take a look as well."
And so, Hermione pulled out a small box from her pocket, which she unshrunk. It unfolded to reveal a sprawling chart on the types of complex transfigurations used in exhibitions. It took up almost the entire carriage's width, leaving only Harry and the girl sitting opposite to him as uncovered.
"Well, Holly, do you mind holding our bags then? I don't think we'll be able to hold them with this here," Sue said, and the girl nodded.
"I'm back-- oh, hi Hermione, hi Harry!" Cho returned, a pretty smile on her face as she regarded the two Gryffindors.
"Hey Cho," Hermione called, mirrored by Harry.
Cho looked around, noting the lack of space. "Huh, there's no space left."
"Why don't you just sit on Harry's lap for the time being?" Hermione suggested, and Harry fought his blush, appearing as innocuous as possibly.
"Would you be okay with that, Harry?" Cho asked.
He nodded. "Yeah, it's no problem."
Harry was very grateful for Hermione's deep dive into the research behind her project, which seemed to distract Cho's friends, because if anyone looked, they'd find his face red as a tomato.
Cho's soft arse was planted right on his groin due to lack of space.
The girl didn't seem the least bit bothered, casually pulling out the textbook to leaf through a lesson.
However, the road to Hogsmeade was quite bumpy, and during a particularly rough section, the carriage kept shaking, meaning that Cho's body was gently quivering atop his, her ass rubbing into his crotch insistently.
They hit a pothole or something, and Cho gasped as she lost balance.
Harry, on instinct, wrapped an arm around her, his palm pressing into her stomach, pulling her towards him to stop her falling onto her friend.
In doing so, body pressed into him, and his boner was being rubbed by her clothed cheeks.
Cho gasped, looking over her shoulder to see Harry's similarly shocked expression.
Her face reddened.
"You alright, Cho?" her friend asked.
"Yeah, I'm fine."
"You should hold her tighter, Harry, this part is pretty rough," Hermione added.
He didn't know whether to thank her profusely or curse her.
"Erm, alright,"
He placed a tentative hand on her waist, but to his surprise, Cho slid her hands over his and pulled them tighter across the side of her ass.
"Hold tightly," she murmured.
She bit her lip, letting out a breath as she felt his boner dig into her behind again.
Harry felt like he was in heaven.
"This game is brilliant," Harry concluded as he and Hermione made their way back, letting Ron, Seamus and the others walk a little ahead so as to not be heard.
"I agree," she grinned. "And we haven't even called in a single favor yet."
He raised his eyebrows. "Oh, I didn't expect you to be so keen, Hermione,"
She smirked. "What can I say, I guess you're rubbing off on me."
"I hope I will be," he countered, laughing as Hermione punched his shoulder.
"Prat!"
He slid an arm around her shoulder as they trotted back toward Hogwarts, their lives about to become much more exciting.