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Enclosed Passion

Summary:

Gojo and Utahime get stuck in a cursed object Gojo picked up on a mission. Upon seeing Geto and Shoko, they think they're saved until their friends start kissing in front of them not knowing they're there.

Notes:

Written for GoUta Week 2024 NSFW

Prompt: Trapped in a box

Work Text:

The box was inconspicuous. 

 

A square wooden box that could fit in the palm of one’s hand but the inside could expand and fit objects several times its size. That was all there was to it. Nothing hostile and merely ranked as a Grade 4 cursed object.  

 

“That’s it?” Utahime asked. 

 

“Yup,” Gojo replied. “A total waste of time to send me on that mission. This thing is so harmless even you could’ve retrieved it, Utahime.”

 

Utahime turned to glare at Gojo for his backhanded comment. They had been civil with each other all day, Gojo couldn’t help himself. He had gotten back from a mission this morning to retrieve a rumored cursed object of unknown ranking. It was disappointingly easy, Gojo didn’t even need to use his technique. Utahime was the only one around currently to show it too. Suguru did missions on his own now and Shoko spent countless hours locked away in the morgue. 

 

Gojo sat the box on the teacher’s desk at the front of the classroom. He planned on taking it to Yaga after showing Utahime. 

 

“Careful,” he warned when he saw Utahime reach for it. 

 

“I thought you said it’s harmless?” Utahime pulled her hand back as if she were burned. 

 

He shrugged. “It is mostly. I don’t know what happens if you try to open it though. Should we try it?”

 

Utahime looked hesitant. She was a curious person and he knew she loved theorizing and learning new things about Jujutsu. Someone who always went by the textbook. It wouldn’t take much to convince her to investigate the box more. Gojo was mostly sure it was harmless afterall. But he also didn’t want to have to save Utahime if things went wrong. 

 

“You do it,” she said, stepping away slightly. 

 

Those were words Gojo knew Utahime would regret saying and he would regret listening to. As he tipped the lid up, it was like a vortex opened up and both he and Utahime were sucked inside the box. Gojo landed on his back and Utahime landed on top of him, her legs straddled around him. But thanks to Infinity, she wasn’t touching him. They could see outside of the box, as if it were lined with windows. There wasn’t enough room to stand up, forcing Utahime to remain crouched over him. 

 

“Gojo!” Utahime scolded, her face flushed. It was an awkward position to be hovering right above him. 

 

“Wow, Utahime. Trying to get me alone?” he teased which only made her huff more. 

 

“You’re the one who opened it!”

 

“I only did what my wise senpai encouraged me to do,” he replied. 

 

“Ugh, whatever! Just get us out of here,” Utahime grumbled. 

 

There was a problem with that. Gojo was sure he could easily smash through the box. It wasn’t a barrier like other higher ranked cursed objects that could contain things. But blasting through it with Utahime in such close proximity would result in her getting injured. 

 

“I don’t think I can,” said Gojo. “Unless you want to be ripped apart too.”

 

“What do we do then?” Utahime asked indignantly. 

 

If Gojo had enough room to shrug, this is where he would do so. “We wait until someone lets us out. Someone will notice a cursed object sitting out in the open.”

 

Utahime didn’t seem pleased by the news and truthfully, Gojo wasn’t all that excited about being trapped in there with her. Admittedly, Gojo did have his fair share of fantasies that involved abandoned classrooms and enclosed spaces with Utahime. But in those fantasies, he would be free to come and go, have more elbow room, and Utahime would be less angry. Maybe not on the last point, he did enjoy it when Utahime was angry. 

 

“Can you turn off Infinity?” she asked, her voice a little shy. “It’s making it more uncomfortable for me.”

 

“And now my senpai wants to touch me, I knew you were devious,” Gojo teased but before Utahime could snap at him again, he complied. 

 

She was brushing up against him now and the reason why Gojo kept Infinity up in the first place was because behind all his teasing, being this close to Utahime was making him nervous. Now she was touching him. Utahime held herself up with her hands on either side of his body but he knew that couldn’t be comfortable either. But if she didn’t hold herself up, she would be laying on top of him. 

 

Gojo could feel himself start to sweat and it wasn’t from the confinement of the box. The box itself miraculously wasn’t even stuffy. Utahime shifted, her thighs against his hips. Her head was down, staring at his chest, which he was thankful she couldn’t see his eyes right now because gravity was making her top droop enough that he could see all the way down her shirt. She was dressed in casual clothes today. 

 

“Utahime, you can lay down if you want. I don’t care,” he said, hoping she couldn’t detect the strain in his voice. 

 

If he caught another glimpse of her tits, he was going to explode. Gojo needed her to lower herself. She lifted her head up to look at him and Gojo kept his eyes trained on hers, fighting for his life to not look down her shirt again. Her face was flushed and he wasn’t sure if it was from holding herself up or something else. 

 

She looked like she was about to argue, opening her mouth and then closing it again. Holding herself up must have been uncomfortable enough to outweigh snapping at him again. Utahime dropped her weight to lay on him, turning her head to the side to rest on his chest. The rest of her pressed against, her legs still stradling. 

 

As she laid down, Gojo realized that this new predicament wasn’t any better than the one that had him looking down her shirt. Now he could feel her breasts against him. It was becoming too much for him. With Utahime’s head on his chest, he was sure she could hear his heart hammering. They needed to get out of here soon or he was going to embarrass himself. 

 

The door opened and Gojo could thank every deity in the universe because Shoko and Suguru slipped inside the classroom. Utahime lifted her head to get a better look. While the two of them had a clear view of the outside, it seemed like Shoko and Suguru couldn’t see into the box. Which made sense, Gojo supposed, since he and Utahime didn’t know what the inside of the box looked like until they got trapped. 

 

Gojo managed to get his arm unstuck from his side and slapped the side of the box with great force. Shoko and Suguru didn’t even seem fazed, they were lighting up cigarettes and blowing smoke out the window. The box was apparently soundproof as well. Gojo took a deep breath through his nose, trying not to become agitated by the fact the freedom was so close to becoming possible but he couldn’t let anyone know they were in here. The scent of Utahime’s floral shampoo filled his nose. 

 

He watched his friends lazily smoke their cigarettes, trying to ignore the warmth of Utahime’s body seeping through his clothes. Suguru was telling Shoko about his latest mission. The cigarette had burned away and Suguru extinguished the butt. Then he did something Gojo had never seen him do. Suguru brushed a strand of Shoko’s hair behind her ear, his fingers lingering on her face. She looked up at him with a slight smile before taking one last drag of her cigarette before extinguishing it and leaving it next to Suguru’s. 

 

Utahime was watching them too, her face pointed towards them. She didn’t say anything but a quizzical expression formed on her features when Suguru caressed Shoko. It was evident that this sort of affection between Suguru and Shoko was also not known to Utahime either. Shoko glanced behind her towards the closed door to the classroom, making sure no one was there. This wasn’t so bad, Gojo could live with this. 

 

Suguru leaned down and pressed his lips against Shoko’s. Shoko in turn let out a moan and threw her arms around his neck. They kissed like that for a few moments before Shoko hopped up onto one of the desks, the legs scraping against the floor. Suguru followed her, fitting himself in between her thighs. His hands were all over her, running up her thighs, grasping onto her waist. Completely oblivious to the fact they weren’t alone.

 

Gojo could no longer live with this. Not only was he feeling a little betrayed that his two closest friends never told him that they were secretly hooking up, but he and Utahime were about to get a free show too. 

 

“This can’t be happening,” Utahime groaned. 

 

“Do you think they’re going to fuck?” Gojo asked and he could feel Utahime stiffen on top of him. 

 

“In a classroom?” Utahime asked in disbelief. 

 

“I would,” he said truthfully and Utahime nudged him hard. 

 

They needed to stop talking about fucking in empty classrooms before Gojo started picturing images that were going to make this situation somehow more awkward than it was. But without the two of them talking, the only other sounds they were forced to listen to were the soft, wet sounds and occasional sigh coming from their friends. Utahime’s warm body shifting on top of him wasn’t helping either. With her straddling him, she was dangerously close to sitting on his dick. 

 

Gojo closed his eyes. It wouldn’t stop him from hearing the sounds and it wouldn’t stop him from feeling Utahime but he could not handle seeing anymore. He was determined to not look but then another soft moan came from Shoko and Gojo’s eyes snapped open. It was hard not to look. Suguru was cradling her head with one hand and gripping her hip with the other, kissing and sucking up her neck to the base of her skull. Shoko’s skirt was pushed up and she wasn’t wearing her tights. 

 

Utahime shifted again and this time her body was completely flushed against his. Gojo felt like his heart stopped. She was laying directly on his dick now. He was already half-hard just from having her so close to him. She was wearing a loose flowy skirt too. Utahime didn’t say anything or move off of it, maybe she didn’t notice. But she would soon because every time she squirmed, he could feel himself grow harder. 

 

“Utahime, stop,” he gritted out. 

 

Utahime lifted her head. “Huh?”

 

“Stop moving.” Gojo arm’s were at his sides, his fists clenched. 

 

“Well sorry but there’s not a lot of room and it’s uncomfortable–”

 

“You’re on my dick!” 

 

Utahime stopped her complaining and stared at him wide-eyed. Her cheeks were already pink from before but the color deepened. “Oh,” she choked out. Utahime arched her back so her hips weren’t pushing down on him anymore but the sight of Utahime arching her back wasn’t helping him. 

 

“I need to be inside you,” Suguru mumbled and there were more kissing sounds. 

 

Shut up. Shut up. Shut up. 

 

Utahime’s breath was hot against his neck and she went back to squirming again. Each time she moved, her clothed pussy rubbed up against him and Gojo was fully hard now. His cock was throbbing and he desperately wanted to dig his fingers into her hips and rut up against her. She had to know what she was doing, there was no way Utahime couldn’t feel how hard he was now. 

 

Shoko shrugged off her uniform top, revealing her cream colored bra. Suguru’s large hands cupped both of her breasts, kneading them as he kissed her chest. Her fingers in his hair holding his head to her. He trailed back up her neck and nipped her ear lobe. Shoko seemed to really like having her neck kissed and Gojo wondered if Utahime would enjoy it too. 

 

Gojo wanted to just do it. Pull Utahime down on top of him so she was rubbing against his cock while he kissed her neck. See how she would react. It was so easy for Gojo to flirt with other people, strangers mostly, because he could tell they already wanted him. Utahime was different, Gojo could never guess what she was thinking. Many times, it seemed like she wanted nothing to do with but other times…he wasn’t so sure. Getting outright rejected by Utahime would be a huge blow to his ego. 

 

Shoko and Suguru were taking their time with foreplay, Suguru was still fully clothed while Shoko was nearly naked. There was no urgency Gojo would’ve expected from two people who were having semi-public sex and someone could walk in at any moment. Utahime shifted on top of him again, causing Gojo to bite his lip to prevent a moan from slipping out. She really couldn’t sit still. 

 

Then he noticed that Utahime’s gaze was fixated on Shoko and Suguru and it all fell into place for him. Her squirming, her flushed cheeks, her heavy breathing. Utahime was just as turned on as he was and she was moving around to try to get some relief. Well it was good to know he wasn’t the only one suffering. 

 

Gojo didn’t take shots he thought he would miss. He managed to maneuver Utahime so her neck was close to his mouth. Starting softly, Gojo kissed along the side of her neck. Utahime gasped but she didn’t pull away. Which was all the encouragement Gojo needed to feel emboldened to continue. He kissed harder, sucking in some spots, trying to mimic the way he saw Suguru do to Shoko.  

 

“Gojo,” Utahime said, her voice soft. 

 

“Hm?” he hummed against her skin. 

 

“That’s not a good idea.” Her words made him feel a little uncertain but she still didn’t pull away so Gojo continued. 

 

“So stop me,” he challenged. 

 

She didn’t even try to stop him and Gojo couldn’t help but smile a little. It was like he won a silent competition between the two of them. But then she surprised him and turned her head slightly to capture his lips with hers. Gojo groaned, his hands coming up to feel the outline of her body. Utahime, who always tried to keep Gojo at arm’s length, had her mouth on him and was letting him feel her up. 

 

Her mouth was soft but demanding, like she channeled all her frustration with him into it. Gojo eagerly accepted everything she offered, opening his mouth and letting his tongue slide against hers. There was so much happening it was difficult for Gojo to focus on any one sensation. Her lips kissing him, her tits pressed against his chest, her fingers tightening in his hair, her own hair tickling his face. 

 

Every time her hips shifted, Gojo thought for sure that she would come back down and sit on him. He raised his hips, chasing after her, his cock so hard he was desperate for any kind of friction. The thought crossed his mind that while she was brave enough to kiss him, perhaps she was too shy to make more contact with other parts of him. His hands snaked down to her hips, gripping them tightly, and pushed her down on his cock. 

 

Utahime pulled away with a gasp and Gojo moved her back and forth on his erection. Her skirt was pushed out of the way so the only thing covering her pussy was the thin fabric of her panties. She rubbed herself against him and even though Gojo’s pants were still on, he could still feel the heat seeping through. It felt good but it wasn’t enough. 

 

Utahime seemed to share the same thoughts as him because after a few moments of rocking, she lifted her hips again and began working at his pants button. Gojo managed to catch another glimpse of Shoko and Suguru. Suguru’s pants were shoved down to his knees and Shoko was working his cock with her hand, her legs spread. Gojo immediately looked back at Utahime who managed to yank his pants down far enough and she resumed grinding her pussy on him. 

 

She left his underwear on, maybe she thought rubbing against his bare cock was too much for her. Gojo could feel how soaked she was through two layers of thin fabric. Her hands were on his chest for support and she alternated between rubbing herself on him quickly and then slowly dragging her clit from the tip to the base and back up again. Sometimes she moved her hips in a circle. Gojo was holding her so tightly, he wouldn’t be surprised if he left bruises behind. 

 

Utahime leaned forward to hit a new angle and Gojo took the opportunity to slide his hand up the nape of her neck and pull her back in for a kiss. It was messy, their noses bumped together because they were still humping each other. 

 

“I want you so bad,” Gojo murmured against her lips. Utahime responded by pressing their mouths together again. 

 

Gojo thrusted up trying to meet Utahime’s grinding. He could almost pretend that she was riding him, his cock deep inside. Gojo didn’t think he was ever as a horny as he is now. Was there enough room to fuck her? Would she let him inside of her? He wasn’t lying, Gojo did want her badly. He had never wanted anyone this badly in his entire life. All he could think about was Utahime. 

 

Her thighs began to quiver around him and he could feel her cunt spasming on his cock. Utahime’s mouth fell open, her eyes closed, letting out a gasping moan as she came. Her cheeks and neck were flushed. Gojo thought she was so pretty and this was dangerous. He wanted to watch her come more. 

 

The legs of the desk squeaked against the floor. Shoko’s legs were locked around Suguru’s waist as he roughly pounded into her. Her hands were tangled in his long hair, which came loose from his usual bun. It brought Gojo back to how badly he wanted to fuck Utahime. Thinking about how Utahime would look propped up on a desk, her legs spread for him, clinging to him like he was a lifeline. Or maybe he would bend her over the desk instead and take her from behind, her hands gripping the surface for leverage. 

 

Utahime moved and came down to lay against his chest, planting soft kisses up the side of his neck. A hand resting on his chest. Gojo thought his dick was going to explode if she didn’t go back to touching him immediately. It leaked and throbbed in his underwear. A huge wet spot darkened the front where her slick mixed with his precum. 

 

Gojo grasped the hand Utahime was resting on his chest and moved it down to cup him. He was trying to be patient and not shove her hand down the front of his underwear. Utahime’s fingers lightly traced the outline of his cock. He was so close, it wouldn’t take much at this point. 

 

“Touch me,” Gojo begged. He never begged for anything but he was no longer thinking with his brain. 

 

“You’re going to make a mess,” Utahime mused. He knew Utahime was thinking of when they were let out of this box, it would be obvious what they were doing there but Gojo would worry about that later. 

 

“I don’t care,” he nearly whined. 

 

Utahime snuck a finger in his waistband and ran it along the front. Her fingertip barely brushed the head of his cock and it made his hips jerk. Of course she was fucking teasing him. Gojo was just about to tell her to knock it off and touch him when she pulled back his underwear and gripped his cock. Feeling her soft hand against his length had his head tipping back. 

 

She tugged at it for a bit until Gojo placed his hand over hers and guided her on how to stroke him. The way Utahime was situated on him let Gojo get another view down her shirt. Her breasts moved as she pumped his length. He thrusted up into her head and soon he was coming. Relief washed over him as he spilled over the sides of Utahime’s fist. She wiped it on his bare stomach, her fingers lingering on his abs. 

 

Gojo and Utahime lay there in silence except for their shared heavy breathing, her head resting on his chest. He glanced back over to the desk and saw that Shoko and Suguru were already getting dressed, he didn’t even notice them finishing. It wasn’t until Shoko gathered her stuff to leave and Suguru began eyeing the box for the first time since they arrived, Gojo realized the state he was in. 

 

“Ow!” Utahime complained as Gojo accidentally pushed her against the side of the box to pull his pants back up. His come dried on his stomach but his shirt would hide the mess. 

 

Shoko had already left the room and Suguru wandered closer to the box. He leaned over to inspect it before reaching out and lifting the lid. The same sensation Gojo felt when they got sucked in, pushed them out, and he and Utahime tumbled to the floor at Suguru’s feet. His eyes were wide when he saw the two of them, shocked with a bit of mortification. Utahime was looking equally as embarrassed. 

 

“Our hero!” Gojo exclaimed before Utahime could give anything away. 

 

“Satoru, what–”

 

“This one,” Gojo said, throwing his arm around Utahime’s shoulders. “Got too curious with the cursed object.”

 

“No!” Utahime argued. “You were the one who opened the lid!”

 

“Ah but you did encourage me,” Gojo replied, glad that Utahime snapped out of her state of embarrassment. It was much less suspicious to have her yelling at him. 

 

Utahime huffed and stood up, straightening her long skirt out. Her hair was tangled and her face was still flushed,  a similar look to when she came. Gojo would be thinking about that now whenever she got angry with him. She stomped out of the room, not sparing Gojo and Suguru another glance. It would have to be another day when Gojo suggested empty classroom sex with her. 

 

“Did you hear anything in there?” Suguru asked. 

 

“Nah,” Gojo lied. “Totally soundproof.”

 

The box laid there on the desk, tipped to its side. Gojo collected the box carefully and examined it. From the outside, there was no way to tell that from the inside one could see out. Shoko wouldn’t really care if she knew they saw but Suguru and Utahime were similar in the sense they liked to maintain some level of modesty. Gojo decided he would be merciful today and spare Suguru the embarrassment. It wasn’t like he was any better anyway.

 

“Come on,” Gojo said, throwing an arm around Suguru. “I need to give this to Yaga. Grab Shoko and let’s get something to eat.”

 

“Should I get Utahime too?” Suguru asked carefully. 

 

Gojo shrugged. “If you want.” Suguru never suggested bringing Utahime. 

 

“Thought you might want me to after all that quality time you spent in the box with her,” Suguru continued slyly. 

 

“Well it was cramped,” Gojo replied, choosing to play dumb. 

 

“Satoru.” Something about Suguru’s tone made Gojo stop in his tracks. “You left a hickey on Utahime-senpai’s neck.”

 

“That was not me,” Gojo insisted. Maybe he did suck and bite a little too hard. And unfortunately Suguru was too observant for his own good. 

 

“Sure.” 

 

“Okay then show me Shoko’s neck!”

 

Suguru faltered. “So you did hear.”

 

“You two were not exactly quiet. How long has that been happening?” Gojo asked, the two of them stepping into the hall. 

 

“A while.”

 

Gojo clutched his chest in mock-aghast. “And you never told me.”

 

“There’s a reason for that.” 

 

“Whatever, go get the girls, I’ll catch up.” Gojo and Suguru split from each other, Gojo heading towards Yaga’s office. 

 

He needed to stop and change first. And later he would definitely try to get himself and Utahime alone in an empty classroom.