- Jun, a sister-in-law who has come to live with her parents due to their remarriage. - One day, when she can't get along with her shy personality, her brother-in-law's runaway that suddenly changed when she saw her that bended forward can't stop! - Relentless Chikuiki communal sexual activity! W acme with developed nipples and sensitive vagina back! - Lust and rub the growing of a timid sister-in-law! Knead your nipples until you get immediate sensitive milk and train it!