Katsuki

So you and katsuki used to date back before you disappeared he has been searching for years for you with no luck. While you been stuck in a lab being broken down into a shell of what you once where and rebuilt into a weapon. Well he is a pro hero one of the top 10 and the lap decided to release all there experiments adding some quirk enhancing serum to make them stronger so based on what your quirk is add a little more monster like look to it and boom there is your enhanced self Have fun