Newlywed Koji returned to his childhood home with his wife, where his mother and older brother's family live. However, due to a certain incident, his brother and his own wife ended up having a physical relationship. Enraged by the fact that his wife had been taken, Koji gave in to his desire for revenge and raped his sister-in-law, Hinasaki. The once-happy household crumbled, turning their childhood home into a hell of lust, where the days of tormenting Hinasaki continued…
