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Challenge Accepted

Summary:

"Are each chapters/requests their own separate universes? cuz I've had an idea for something with Hajime, Chiaki, Natsumi, and Mahiru that I believe requires equal ground and no prior official relationships. I don't have time to describe the whole plot for multiple reasons but my idea revolves around the three girls all crushing on him and competing for the title of his girlfriend via sex."

Natsumi decides to challenge Mahiru and Chiaki for Hajime's love, but things don't go according to plan.

Notes:

(See the end of the work for notes.)

Work Text:

Natsumi stirred in her sleep, mumbling incoherently as she clutched a black and white bear plush in her arms, pulling her silk eye-mask off with a frown as she blinked herself awake.

She’d had another dream--no, a nightmare--about her love life, and she was getting sick of it.

For the past few weeks, Natsumi had dreamed of going on a lovely date with Hajime, a dinner at a beautiful restaurant; after which, he would drive her to his home and let her inside, only to pin her against the front door with a kiss as his hands gripped her waist, pulling her against him. Simply recalling it was enough to make Natsumi blush, but her fantasy was always interrupted by a knock at the door.

Chiaki and Mahiru, both wearing only their bras and panties, would immediately grab for Hajime, pushing their way inside as they forced Natsumi out, slamming the door in her face and leaving her out in the cold, their giggles and moans the only thing she could hear.

Natsumi rubbed at her temples, trying to calm herself. She knew she could no longer deny her feelings for Hajime, those were certainly real; but the idea that he would be more satisfied with Chiaki or Mahiru made her feel a rage like no other, and the fact that they clearly also had feelings for him made it even worse.

As she breathed deeply, she realized something: If she was so worried about Hajime preferring Chiaki or Mahiru over herself, she would just have to prove that she was the best for him.

She reached to her bedside table for her phone, and quickly typed a text to both girls.

“If we all want to fuck Hajime so badly, why don’t we just do it and see who he likes the best?”

To her surprise, the two of them immediately responded.

“You’ve got a deal.”

“Game on >:)”

Natsumi couldn’t deny her surprise at their acceptance, but she sent her plans for their little challenge anyways.

“Meet at his dorm tomorrow night. We’ll each take turns, and he’ll decide who he wants.”

She didn’t bother waiting for a response, knowing they’d happily agree. She shut her phone off and placed it back on the bedside table, before putting her eye-mask on and getting comfortable under her blankets, a sinister smile on her face as she drifted back to sleep.

The next day, Natsumi strode through the halls as she made her way towards Hajime’s dorm, a smirk on her face as she saw Chiaki and Mahiru already waiting outside his door.

She had skipped her last class of the day, instead staying in her dorm to get ready. She had a thorough shower, including exfoliating, shaving, and washing her hair; she also picked out some red lingerie from her closet, which was currently hidden under her school uniform. After all, she couldn’t let Chiaki and Mahiru know about that just yet.

As she stopped in front of them, her confidence faltered. She could smell the perfume that hung in the air, and when she noticed the bag slung over Mahiru’s shoulders, she realized she was not the only one who prepared for tonight.

“Is he even in yet?” Natsumi asked, not caring to greet the girls.

“No idea.” Mahiru replied bluntly, also uninterested in conversing with her classmates.

“His study group usually finishes by now…But I guess you two wouldn’t know that…” Chiaki trailed off, a slight smirk on her face as she saw the other girls narrow their eyes at her.

Just as Natsumi opened her mouth to insult her, she heard footsteps at the other end of the hall, and quickly spun around to see who was interrupting them.

“Hi girls!” Hajime waved, carrying a few textbooks under his other arm as he walked up to them. “What are you doing in the boys' dorms?”

“Waiting for you.” The trio replied in sync, glaring at one another as they did so.

“R-really?” he asked, confusion in his voice as he rubbed at the back of his neck. “But, it’s not like I can hang out with all of you…”

The girls’ faces fell as he mumbled, fearing their plan had failed before it even began, but Hajime continued.

“I mean, It’s not like I can study, play video games, and pose for photos all at the same time, right?”

The trio looked around at each other, with Mahiru and Natsumi rolling their eyes as Chiaki spoke,

“Hajime…That’s, um, not why we’re here…”

“O-oh?” he blinked, looking at the mild annoyance on all their faces in embarrassment. “O-of course…Why don’t you guys just come inside and tell me? These books are getting heavy…”

“Oh, let me carry those for you!” Mahiru exclaimed, quickly grabbing the textbooks from under his arm and hugging them against her chest.

“T-thanks, Mahiru.” Hajime reached into his pocket for his key, inserting it into the knob as it unlocked with an audible ‘click’. He opened the door and stepped in, holding it open for the girls as he gestured for them to come in with his free hand.

The trio glanced at one another, determination in their eyes as they strode inside, quickly trying to claim the bed first.

Chiaki immediately flopped onto the bed, yawning as she spread her limbs wide, doing her best to take up as much space as possible, much to the annoyance of the other two girls.

“You’re that tired already, Chiaki?” Hajime asked with a laugh as he shut the door, walking over to take a seat at his desk. Before Natsumi could make her move, Mahiru was sitting on top of the desk, placing the books and her bag on it as she smiled at Hajime.

“Thanks again for bringing the books in for me, M-Mahiru.” Hajime’s face flushed as she looked down at him.

Natsumi felt her blood boil as she walked over to the table for two, so distracted by her rage that she tripped over the edge of the rug, falling flat on her face with a yelp.

Her face burned in embarrassment as she heard Mahiru and Chiaki giggling at her, but they quickly fell silent as she felt a comforting hand on her back.

“Are you okay, Natsumi?” Hajime gently asked, his head dipped down next to her ear.

“Yeah, just, hold on-” she mumbled, turning over onto her back. She saw Hajime crouched over her, his hand now resting on her shoulder as he looked at her with concern in his eyes.

“C’mon, let me help you up.” Hajime said, rising to his feet as he reached his hand down towards her.

She took Hajmie’s hand and allowed him to pull her up, noticing the glares of annoyance from Chiaki and Mahiru as she stood.

“T-thanks, Hajime.” she said, purposefully stuttering as she hugged her fellow reserve course student, hiding her sinister smile against his chest as she squeezed her eyes shut.

“Oh! Yeah, no problem, Natsumi…” Hajime replied, awkwardly hugging her back as his face flushed.

Natsumi reveled in their hug, finally getting the attention she wanted, until Mahiru spoke:

“I guess we should just tell Hajime why we’re really here.”

Natsumi’s eyes snapped open, and she felt her fists clench at Hajime’s shirt as he asked, “What do you mean?”

“We didn’t come here to just, um, hang out…” Chiaki said, barely disguising her mild nervousness.

“We actually came here because of Natsumi’s challenge, so why don’t you ask her about it?

“Huh? Natsumi, what are they talking about?”

Natsumi sighed, snapping her head up to look into Hajime’s eyes as she said,

“I told them that since we all,” she paused, taking a deep breath, “...like you, we should just take turns” her eyes squeezed shut in embarrassment, “...having...sex…with you, and let you choose who you’d wanna date.” she finished, mumbling quickly.

Hajime let out a sound in shock, looking at all of the girls in a mix of confusion and astonishment, before finally saying,

“I-I mean, I guess I wouldn’t mind…?”

Natsumi looked up at him in surprise, her face flushing at his readiness as his eyes trailed along the floor, his complexion a deep pink. She glanced over at Chiaki and Mahiru, who looked back at her with satisfied smirks.

“Well, now that that’s out of the way, I call first dibs.” Mahiru said confidently, pushing herself off the desk as she walked up behind Hajime and grabbed his hips, causing him to gasp in surprise as she pulled him back against her; Natsumi tried in vain to hold onto his shirt, only for Mahiru to pull him back harder, forcing Natsumi to let him go or risk falling once again.

“He’s mine.” Mahiru said, looking over her shoulder towards Chiaki, “Now, take a seat and wait your turn.” she said, motioning towards the table and chairs.

Chiaki rolled her eyes, but begrudgingly stood up and shuffled over to the table, taking her seat next to Natsumi.

“Now, Hajime,” Mahiru smirked, her hands still holding onto his hips, “Why don’t you sit down? I just have to get a few things…” she turned her back towards him, rummaging through her backpack.

“Uh, sure…?” Hajime replied, nervously sitting on his bed as he breathed shakily.

“Good…” she mumbled, making Natsumi and Chiaki look at her in curiosity as she fiddled with something.

When Mahiru finally turned around, the two girls realized what her plan was.

Mahiru was wearing a red leather strap-on, and was currently lubing it up.

Hajime’s mouth fell open in shock as she walked towards him, one hand caressing his face as the other held her cock in front of him.

“Are you going to be a good slut for me?” she asked sweetly.

“Uh…I mean, I don’t kn-Ow!” Hajime cut himself off as he winced in pain, the hand on his face now pulling his hair.

“I suppose I’ll just have to make you.” she said darkly, pulling Hajime to his feet by his hair as he whimpered from the pain.

She effortlessly spun him around so his back was facing her, and as she wrapped her arms around him to undo his belt and trousers, she bit at his neck, making him shudder as she licked over each mark, the head of her strap-on poking at his ass.

“You like this, don’t you?” Mahiru cooed, pulling his pants down as she gently groped at his cock through his boxers, “You like being my toy in front of your friends.” She once again pulled Hajime’s hair and forced him to look at Chiaki and Natsumi, who were fidgeting in their seats in anticipation, clearly interested in the show.

“Y-yes, Mahiru..” Hajime breathed, whining loudly as Mahiru quickly pulled his boxers down, stroking his cock with her lubed hand as she aligned her strap-on with his hole, pressing the head of her cock against it. Hajime’s eyes rolled back at the sensation, his arms shaking as he tried to hold himself up.

“Pl-please…!” he whined, leaning back against Mahiru as she continued to stroke his cock, her other hand now playing with his nipple, “Please, Mahiru…Fuck me!”

Natsumi’s eyes widened in surprise at Hajime’s eagerness, and she thought she heard Chiaki quietly gasp as well.

Mahiru immediately thrust into him, her hips snapping back and forth as she ruthlessly fucked Hajime, his breathy whines and moans quickly turning into ecstatic screams of pleasure as his arms gave out, his torso falling face-first onto the bed as he continued to moan into the mattress, pushing his hips back against her cock.

Mahiru turned to look at Chikai and Natsumi, and flashed them a smile as she continued to fuck her submissive, making them seethe with jealously and…arousal?

Natsumi shifted in her seat, feeling a sudden warmth across her face; she glanced at Chiaki, and noticed that she was also blushing and removing her hoodie.

“Is she also finding this kinda hot? Literally?”

Her mind started to wander, and she started imagining the scene before her, only with Hajime fucking her, and maybe her head between Chiaki’s soft thighs…

Suddenly, Hajime’s moans became shorter and quicker. Mahiru immediately grabbed him by the hair and held him in place, his back arching as he moaned for her, cumming all over the bedsheets and his torso as he orgasmed, the choked moans only arousing Natsumi and Chiaki more.

Mahiru gently pulled out, letting go of his hair as she rubbed at his back, mumbling words of praise as she did so.

When Hajime finally caught his breath, he shakily pushed himself up and awkwardly said,

“T-thank you, Mahiru…”

Mahiru giggled, “You’re welcome, I hope I was better than the stuff in the magazines in your closet.”

Hajime stuttered in embarrassment as Chiaki and Natsumi’s mouths fell open in shock.

“H-how did you-”

“When I was taking photos of you last week, I noticed them as I was tidying your room up for the shot.” She giggled, clearly proud of herself.

Hajime’s face burned with embarrassment, but before he could explain or apologize, Chiaki stood and spoke.

“It’s my turn now…I think.”

Mahiru scoffed, but begrudgingly said,

“Fine, just get on with it already.”

Chiaki stood up and walked towards the bed as Mahiru passed her, sitting at the table next to the blushing Natsumi. She smirked at her, knowing she had started things off with a bang.

Chiaki walked up to Hajime, and without any warning, started undoing his tie and button-up.

“Um…Chiaki?” he asked, curious as to what she was planning.

Chiaki merely looked up at him with her innocent eyes and said,

“Don’t worry, baby, Mommy’s just getting you ready for bed.”

Hajime’s breath hitched as his cock twitched, making Natsumi and Mahiru look at each other in surprise.

“He’s into that?!”

Chiaki quickly removed his tie and shirt, leaving him in only his socks, before getting onto the bed, sitting against the headboard with her legs stretched out in front of her. She looked up at Hajime with a loving smile, before unbuttoning her own top, revealing her large breasts and pink bra.

Mahiru sighed, and Natsumi smirked, wondering if the photographer was jealous of the gamer’s assets.

Chiaki effortlessly removed her shirt and bra, throwing them aside and leaving her torso completely bare, as she gestured for Hajime to join her.

“Come lay with Mommy, sweetheart.”

Hajime obeyed, crawling onto the bed as he laid next to Chiaki, shuddering at the feeling of her warm, soft skin against his.

“Good boy…” the gamer mumbled, tenderly petting his hair. “Why don’t you lay down in Mommy’s lap?”

Hajime let out a shaky breath, but did as he was told, letting his head rest in Chiaki’s lap as he looked directly at her plush breasts.

“You’re so good for me sweetheart…” Chiaki gushed, letting her hand wrap around his erect cock, making him gasp and whimper. “Did Mommy make you feel desperate?”

“Ah…! Y-yes, Mommy…” Hajime whined, his back arching slightly at the gamer’s soft touch, his eyes still focused on her large tits.

“I see you staring, baby,” she smiled, “Does my good boy wanna suck on Mommy’s nipples while I play with his cock?”

The brunette immediately grabbed onto Chiaki’s breast, taking her nipple into his mouth as he began to suck, loudly whining as Chiaki stroked his cock harder, praising him as her “good baby” and “baby boy” as she did so.

Natsumi squirmed in her seat, enthralled with the perverted scene before her. She glanced at Mahiru and noticed that she was gingerly squeezing her own breasts, no doubt also incredibly aroused.

“Such a good boy for Mommy,” Chiaki cooed, using her free hand to pet Hajime’s hair. “You just couldn’t wait, could you? You needed Mommy so badly, you don’t even care that your girl-friends are watching, do you?”

Natsumi felt her face burn at the gamer’s words, and her legs clenched when Hajime only let out a pathetic whine in response. She heard Mahiru curse under her breath, and saw her bite her lip in pleasure. Her mind wandered yet again, to the thought of this very scene, only with her sucking Hajime’s cock while Mahiru fucked her with her strap-on…

“M-mommy…!” Hajime exclaimed as he unlatched from Chiaki’s breast, a slight line of saliva running down his lip as he panted, clearly about to cum.

“It’s okay, Hajime,” Chiaki said sweetly, stroking his cock both harder and faster, “Cum for Mommy like a good boy.”

Mere minutes after Mahiru made him, Hajime came again, writhing in the gamer’s lap as he loudly moaned, his cum dribbling out onto Chiaki’s hand as he pressed his face into her chest, panting loudly.

Chiaki stayed there, smiling at him as he continued to pet his hair and praise him, only stopping to lick the cum off of her hand.

“T-thank you, Momm-Uh, Chiaki…” he breathed, finally having caught his breath.

The gamer just giggled in response and kissed his forehead, before saying,

“Was I better than the videos on your phone?”

Natsumi fumed.

“How do they know all of his perverted fantasies, but I don’t?!”

Chiaki saw the flabbergasted looks on everyone’s faces, and simply said,

“When I asked if you had games on your phone the other day, I noticed you closing all of your tabs before giving it to me, and I caught a glimpse of some…things.”

Natsumi rolled her eyes in disbelief, wondering how Hajime could apparently be leaving his porn out for everyone to see but her.

She looked over at Mahiru and noticed her legs were tightly crossed, still biting her lip; she had clearly been very aroused by the scene before them, and while Natsumi couldn’t deny her own pleasure in their shared voyeurism, she wondered if her intrusive thoughts were perhaps something more…

She shook the thought out of her mind and confidently stood up,

“My turn.”

She looked directly at Chiaki and Hajime, and while the gamer rolled her eyes slightly, she gathered her clothes and stood up, leaving the brunette as she walked past Natsumi to take her seat.

Hajime moved to stand as well, but the blonde quickly stopped him.

“Don’t. Just sit up against the headboard for me.” she said, smirking as she formed her plan.

Hajime seemed hesitant, but did as she said. Natsumi then got on top of him, straddling his legs as she looked into his eyes. She wrapped her arms around his shoulders and kissed him, smiling as she felt his hands on her waist, his hips slightly thrusting against her as his arousal grew.

“I never would’ve guessed a tall, strong, handsome man like you would be the submissive type…” she muttered in his ear, gently biting at his earlobe as she heard his breath hitch and felt his erection poke against her thigh. “Maybe you just need to know how it feels to really fuck a woman…”

Natsumi quickly undid her shirt, revealing her red lingerie, smirking as she watched Hajime gasp in surprise, and heard Chiaki and Mahiru do the same; she sat up as to remove her skirt and red panties, and smirked at him as he stared at her, his eyes trailing up and down her body. She quickly straddled him again, and grabbed her skirt, rooting through the pockets for something. She triumphantly pulled it out, and grinned devilishly at the look on Hajime’s face.

She was holding a condom, still encased in its bright blue wrapper.

She heard Chiaki and Mahiru gasp, and looked over her shoulder to see them wearing the same surprised expression, clearly not expecting her to have gone this far; she thought she also saw arousal in their eyes, but she had other matters to attend to.

She tore it open with her teeth, being careful to not tear the condom itself, before rolling it down Hajime’s erect cock, his hips involuntarily thrusting at the feeling of the cold lubricant as he bit back a moan, roughly grabbing onto Natsumi’s hips.

“N-natsumi, please…” the brunette begged, desperate to feel himself inside her.

Natsumi, already soaking wet from her acts of voyeurism and fantasies, quickly sank down on his cock, her eyes rolling back in pleasure as she tipped her head back, revelling in the sound of Hajime moaning for her. She wasted no time in bouncing on Hajime’s lap, her chest moving with her, as she moaned for him, riding his cock as she wrapped her arms around his neck, holding onto him.

“F-fuck, Hajime…You’re, so big…!” she moaned, feeling the brunette thrust up to meet her as he chased his own orgasm, his nails digging into her skin.

“N-natsumi, y-you’re so tight…” he groaned, holding tightly onto her hips as he properly fucked her, biting at her collarbone and neck.

“Ah…! Pl-please keep fucking me,” she panted, grabbing onto her breasts as she played with her own nipples. “F-fuck me while they watch…!”

Hajime pulled back and looked at her in surprise, but smirked at her as she kept bouncing.

“Was all of this, just an excuse, for you to have sex with me in front, of them?” he breathed between thrusts, “You’re such a, perverted slut, Natsumi…! Even Chiaki, and Mahiru, are getting off on this!”

Natsumi threw her head back to glance over her shoulder, and saw that Mahiru and Chiaki were making out with one another, their hands down each other’s skirts.

“I am! I’m your, perverted slut, Hajime, C-Chiaki, and Mahiru!” the blonde moaned, her orgasm building at the realization that she was also turning her girl-friends on, “Please, I’m so close…!”

Hajime bit down hard on Natsumi’s neck and groaned as he released, still thrusting into her as he wanted to make her cum, and he quickly succeeded.

Natsumi’s back arched as she orgasmed, her body shaking from the overstimulation as she moaned loudly, wrapping her arms around Hajime’s neck to avoid falling over.

As they caught their breath, she heard what she assumed to be Chiaki and Mahiru also cumming, and she felt a shiver of pleasure knowing that she was, at least partly, responsible for their arousal.

She regained her focus as she felt Hajime licking at the bite mark he left on her, and she winced at the slight pain, knowing it was likely going to bruise.

“T-Thank you, Natsumi, but, I-I’ve made my decision…” Hajime panted, pulling away from the blonde.

All the girls looked at him in surprise and anticipation, but he continued before they could speak,

“Before I tell you, can I at least take a shower?”

The girls burst out laughing, but agreed, and Natsumi quickly moved off of him, sitting on the bed as he stood up, watching as Chiaki and Mahiru quickly turned to the closet, grabbing him a towel and fresh clothes.

When they heard the bathroom door lock, they all looked towards one another.

“So…I think it’s safe to say that that didn’t go…according to plan.” Mahiru said, picking her strap-on off the floor and putting it in her bag, since it had been removed while she and Chiaki had been… watching Natsumi.

“I think…Maybe we didn’t do this…” Chiaki started, fidgeting with her sweater.

“Because we’re only interested in Hajime?” Natsumi said, glancing at the two girls in embarrassment as she re-dressed herself.

“Yeah…Maybe we were also just interested in…each other…” the gamer added, a hopeful tone in her voice.

“I mean, it was pretty hard to watch you guys, with Hajime,” Mahiru chimed in, slinging her bag over her shoulder. “It wasn’t like a ‘I wish I was in your place’ kinda thing, more like-”

“‘I wish I could join you’, right?” Natsumi finished, retying the ribbon around her collar.

“Yeah, that’s exactly it.” Mahiru said, while Chiaki nodded in response.

“So…what are we gonna tell him?” Natsumi asked.

“We tell him all of us,” Mahiru started, gesturing to the three of them, “wanna date each other, and also him…Assuming that’s what you guys want?” She looked at them, awaiting their reply.

“I think…that sounds nice.” Chiaki smiled, tentatively reaching for Mahiru’s hand as she looked towards Natsumi.

“I think it sounds nice, too.” she said, standing up and walking over to hug the photographer and gamer at the same time.

As if on cue, the bathroom door opened, and Hajime stepped out, having dressed himself but still towelling off his hair.

“Oh wow, you three make up fast!” he laughed, joining the small circle of girls.

“So, uh…what’s the verdict, Hajime?” Mahiru asked, looking at Natsumi and Chiaki nervously.

“About that…” the brunette sighed, “I don’t think you’ll be very happy about it, but…I’d wanna be with, all of you…”

“Actually, Hajime,” Natsumi giggled, “That’s going to work out perfectly.”

Notes:

If you're interested in requesting a fic from me, please comment it under my 'Danganronpa Fic Requests' work!

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