The 3nd installment of a gorgeous co-starring work where cute little devils with big breasts are closely attached and three erogenous zones are attacked at the same time!Her father's remarriage leaves her suddenly living with her three stepsisters.In order to maintain her dignity as her older brother, she desperately hid her virginity, but she finally found out that she was a virgin and her position was reversed...Because she's a virgin, she's sensitive and will resurrect no matter how many times she shoots.