Y/N is just a little kid, but has already been through so much. both his/her parents were killed by the villain know as Dabi when he/she was young, like really young. Aizawa and Hizashi both know about him killing his/ her parents.thankfully though, he/she got to stay with Shota Aizawa. Along with Present mic and Shinso. Y/N is only 7 years old, and his/her quirk is crystal. Y/N can form shards of crystal like glass from her hands and even use it like its ice.