If that is the case for her, I wouldn't peg that on the father. The father's a nothing entity as far as I can tell - the blame is more on her masters within the industry. It's they who have profited, controlled, consoled, and encouraged violence.

[ Paint... paint... she frowns at the shade of blueish in Sayaka's hair. ]

She's so repressed, that girl. She's afraid to let anyone catch some glance of who she really is.