After inheriting the inn and losing her husband early, Koyo accumulates sexual frustration in her busy workdays. One day, her daughter's family came to stay. From their conversation, it seems both her son-in-law and father-in-law haven't had sex in a while. They both want to satisfy their desires… Seduce the daughter-in-law's husband, showing her mature body from under her kimono. She takes his erect penis into her mouth and has her large breasts and private parts caressed before he inserts it directly. The pleasure of internal ejaculation and pent-up lust explodes as she engages in intense sex with her daughter-in-law and their family.
