Sae and her husband lived in the inherited family home, childless. She humbly supported her salaryman husband as they lived happily together. One summer day, while doing housework, an unknown man suddenly broke in to rob them. Despite her fear, Sae realized that the man was her husband's younger brother, Kyosuke. Debt from loan sharks, getting fired from his job... The self-destructive brother-in-law forcibly ●ed Sae. Then he just stayed in the house... The worthless brother-in-law who fled back to the family home is a sex monster! He keeps raping his sister-in-law without caring if her husband finds out!
