Meeting of Souls (Backstory)

Dabi and Shoto's little sister splits her body with a very dangerous villian and must fight for control of her life. As she grows older, through many misfortunes, the two souls form a bond with each other. She struggles to reconnect with her family and learn the true meaning of hero and villian in this corrupted hero society. (TW: there is mention of abuse and sexual scenes; please be aware of this before reading, Thank you!)