She spent a week toying with her father-in-law—Suzu Aikawa, a voluptuous young wife addicted to pleasure. (KSBJ-383)

Rin was happily married to a gentle husband. However, one day, her husband's father, who had been out of contact with her, came to visit. Her husband hated this father who had abandoned his wife and was always causing trouble. However, Rin couldn't abandon her homeless adoptive father, so she decided to let him stay for a week. However, this was just the beginning of a mistake…