During the battle on Muzan, a portal appear and teleported Genya out of the battlefield to another place. In the new world, he has to attend U.A in class 1-B, meeting a lot of new friends and foes. I do not own Demon Slayer, My Hero Academia, or any...
Four friends were sleeping on a table as a bunch of papers were scramble all over the place. One of them lifted their heads and look at the time. It was almost eight as they said "Oh no, we're going to miss the trip!" They woke up the other three and told them about their situation. They all then scatter around the room, getting ready and picking up papers. Since they had stayed overnight with Genya in the dorms, they were close to the school.
The kids of class 1-B were getting in a bus as the four friends ran towards them. "Wait!" they shouted as they stopped in front of Vlad King, trying to catch some air. He looked down at them, waiting for their explanation. "Sorry we're late. We were finishing the homework you left us" Kendo told him. "And did you do it?" Vlad King asked them.
"Yup" they all said as they gave him their papers. He took them and said "Get in." The four friends got in as they sat in the bus. Tetsutetsu surprised Genya by not sitting next to him, but sitting next to Kendo. He gave him a little wink as Genya sigh, remembering what he told him the night before.
Flashback
"You should tell Setsuna how you feel!" Tetsutetsu told him as he and Genya were getting snacks. "But I don't feel anything for her. She's just a friend" Genya told him as he got some chips. "I don't think so, not after what you told me at the sport festival" Tetsutetsu told him. Genya sigh and said "Even if I did have feelings for her, it doesn't matter. One day I'm going to end up going back to my world, and I'll never see you guys again" Genya said, as he slowly realizing what he said.
He had never thought of it, but it was true. If they did find a way for him and Muichiro to get back home, then it might mean he may never see anybody from U.A again. They were quiet for a while as Tetsutetsu said "But, would you rather for her not know your true feelings for her before you go. Who knows, maybe she likes you too."
End of Flashback
"Boop!" Setsuna said, as she poke the side of Genya's face as he was looking out the window. He turn to her as his face was a little red. "Why'd you do that for!?" he asked her. "You were just looking out the window for over ten minutes. Is something wrong?" she asked him. Genya shook his head and said "Nothing, just enjoying the view."
"My goodness, just look at the both of you" Monoma told them as he was looking at them from the seat that was on the same row as theirs. "I bet you like her teasing you. You must get a kick out of it. I bet you do, ever since you got all that attention from the sport festival" Monoma told them. "I never liked the attention I was getting" Genya told him. "Of course you didn't, because it made her realize her-"
Kendo shut him up with one of her fist and said "Shut up. If you keep talking then this bus ride is going to feel like more than an hour drive." The bus stopped as the students got off. "Is this the camp?" they asked, as they were still on the road. "No, but we're close to there" Vlad King said. "Welcome to hero camp!" someone shouted as two girls wearing cat costumes appear. They were part of the Pussie Pussie Cats. They told them that they must run through the forest to get to the camp.
"What!?" everyone said. "You must be able to go through a bunch of obstacles if you want to get to your goal" the Pussie Cats told them. "Start running! If you don't, then you'll reach to the camp around sunset! Class 1-A is already at the camp training!" Vlad King shouted. "Class 1-A is already there!? What are we waiting for, let's move it!" Monoma shouted as they headed to the forest.
All of class 1-B headed inside the forest where they were welcome by the beast there. Everyone used their quirks to fight off the monsters until it they made it. "We made it!" Tetsutetsu shouted as they made it through the forest. Everyone was tired as they saw class 1-A was already training. Everyone was shock by how far their training were taking them, as they knew they were going to have to do the same thing.
Time Skip brought you by a montage of everyone doing their training
The sun was setting as everyone was very tired from training. Even though they were tired, they stilled had to cook their own dinner. Genya helped Bakugo cutting the vegetables as both of them were pretty good using knives. "Damn Genya, I didn't know you were a great cook. I think you'll make a great househusband" Setsuna told him as she was waiting on the food.
"So you think I should quit being a hero, so I can be a househusband?" Genya asked her. "I'm just saying, your wife would be a pretty lucky gal" Setsuna told him. Tetsutetsu and Kendo were watching from afar as they thought 'They're so obvious!'
It was now late as each of the classes were able to enjoy some time in the hot spring. The classes were split by genders as the only thing separating them was just one wall. Genya was remembering the last time he was at a hot spring, when he was at the swordsmith village. He decided that it was time to rip off some of his teeth. He does it every while after using his power since sometimes not everything turns back the same.
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The other boys were watching him from afar, being a little creep out by it. "Genya, are you ripping off your teeth?" Tetsutetsu asked him. Genya turn around and said "Huh?"
He spit out the tooth he was trying to pull off and said "Did something happen?"
"Good thing we don't have any perverts like class 1-A. I bet all their boys are perverts" Monoma said. "Man Genya, you're rip. Now I know why our training was so easy for you" Tetsutetsu told him. "But, what's with the scars?"
Genya stare at him as he said "I got them from training."
"That must've been some training" Tetsutetsu said. Everyone was leaving the hot springs as everyone had to get ready for the test of courage that each class was putting up. Kids were suppose to be pair up as Genya was suggesting Tetsutetsu to be his partner. "Actually, me and Kendo agreed to be each others partner. Maybe you should go with Setsuna" Tetsutetsu told him. Genya was confuse as he thought Tetsutetsu would agree right away to be his partner. But what he didn't know, was that this was his plan.
Tetsutetsu and Kendo decided before the trip to try to get Genya and Setsuna to get together by the end of the trip. So far it's been tricky, but this was one way they knew could affect their relationship. "C'mon Genya, are you too scare to hang out with little old me?" Sestuna said, wrapping her arm around his neck. "No, I'm ok with doing it with you" Genya told her.
The pair walked into the forest as they were ready for anything that can scare them. A person in a ghost costume jump at them, yelling out boo at their faces. The pair look at the person with a blank face as they continue walking. Genya sniff the air and said "Do you smell that?"
Setsuna sniff the air too and said "Yeah, it smells like something is burning." They looked up and saw smoke coming deeper in the forest. "A fire!?" Setsuna said as they saw blue flames covering the forest.
