>>23890382She was sold to Reine'a family by Epstein, which left her an emotionally stunted sex doll who can only lash out because she never experiencwd true affection, only being used as a tool.
Reine is trying to atone for her sins, which is why she got Anya into Hololive in the hope she'd learn how to have relationships with other people, but it's slow coming.