The X Gene program Only Survivor

He is being Experimented on by a doctor but not overhaul he is the brother of rami Usagi but there parents died by a fire they were in a adopted family's for he's it was the yagi's as the age of 3 and abused by them For rami she had a batter time she was 7 the yagis sold him to the doctor but not remembering anything except he's name And powers I guess the pros are looking for him because they see him as little Brother or nephew or son deku will keeps his Personality but get more on Guard / also the X men they are Mutants but as quirks appears they become more common so only a few people remember the X men or the any hero's form marvel