The Burglar Who Entered Our Home Yesterday Was My Brother-in-law Who Had Been On The Run For A Year From Restructured, Debt-ridden, Black-market Money. Saki Okuda

Having inherited their parents' home and living as a childless couple, Saki lived happily while modestly supporting her salaryman husband. One summer day, while doing housework, a strange man suddenly breaks in as a robber. Though terrified, Saki realizes the man is her husband's younger brother, Kyosuke. With debts to loan sharks and fired from his job... The self-destructive brother-in-law forcibly rapes Saki. And then he just stays in the house... The trashy brother-in-law who fled to their home is a sex monster! He keeps raping his brother's wife without caring if her husband finds out!