JUL-557 Husband goes on business trip, wife calls girlfriend home to play lesbian

Rinko, a wife who lives with her husband's younger sister, Yu, who has been married for three years after a romantic relationship and has moved to Tokyo with the aim of becoming a cameraman. Yu is a little younger than her Rinko and loves her like her own sister. One day, her husband decides to leave home for a three-day business trip. Under one roof, there are only two sisters-in-law. Normally, women can live without worrying about each other, but there is a secret that no one can reveal. Yu has liked Rinko since the first day they met.

JUL-557 Husband goes on business trip, wife calls girlfriend home to play lesbian