Eriko is in the middle of paying off her husband's debts, so she goes to her brother-in-law to ask for money. Her sister-in-law, Rei, answers the door. Rei has been secretly lusting after Eriko's body, and instead of paying the interest, he makes her his sex slave. Rei's humiliation makes Eriko drown in pleasure she has never experienced before... Her ripe body is exposed, her love juices drip down to her thighs, she kisses another woman, and the mature lesbian poses of two women entangled in mourning clothes!