Boy or girl kurro x reader

Y/n was born a girl and she used to have a family until they were murder and she was left with he little siblings mikasa and eren and armin ( I am adding some Naruto and attack on titan in this book ) she is in a mafia with her friends Levi hange and Erwin and mike Mobilt they are Ningas and y/n was train with two of the lengangray Sanin they have to kill the other mafias and she has the nine tails I. Side her and she and her friends are able to became titains but they are trying to find her. To use her power so she has to hide as a boy every is going well in her mission but wat if a roster hair boy make her feel weird .and what if she dose not want to like that what if her old lover is holding her back and the team find out will the tell the school ??