This is fumiko :) she was taken from her parents when she was really young and was experimented on she was tired of it and decided to jump off a building. she was almost dead before overhaul found her and saved her.
Her and overhaul started dating.
This this happened after a lot of years but they had a daughter
Here I here I kind of changed their daughter's hair but it's a family picture. Also his daughter is like eri but the heroes can't take her away because she's legally overhauls daughter (also fumiko is not a villain she is like eri too. By "like eri" I mean experimented on)