Yuki causes a traffic accident while driving, killing her senior colleague Kozue who was riding with her. Accompanied by her father to apologize... The compensation condition set by Kozue's father, Kamikawa, is 'to become the adopted daughter of the Kamikawa family in place of his deceased daughter.' This was an unacceptable condition, but Kamikawa added that he would also cover her father's massive debt, forcibly establishing the adoption. Yuki, as a member of the Kamikawa family, is retrained from scratch. Kamikawa takes advantage of Yuki's failures to tie her up, torture, and rape her...
