You'r talking about Lucy from Elfen Lied correct I know that she calls herself Kaede in the end of the manga but the majority of people have only seen the anime
@BlondeLionEzel bạn haven't seen it? That's a shame. It's quite good. So unless you're are uncomfortable with nudity, and suggestive material. I recommend bạn watch it.
When she was younger, she was in a house ngọn lửa, chữa cháy which left the whole right side of her body scarred and in middle school she was bullied for it