Prestige exclusive actress "Ria Kashii" seduces her sister's boyfriend ♪ When the time for a part-time job is approaching, my sister leaves her boyfriend in the room and goes out from a nap. When he tries to wake her up and go home, she is forced to stop him, and her sister's seduction begins! I brush off his hand that refuses desperately, and I serve you with a technique better than my sister! While working part-time or sleeping, he is fascinated by her older sister who steals her younger sister's eyes and approaches her, and their relationship escalates! One day, he and his older sister were spotted having sex at home by her younger sister. In order to ascertain his indecisive feelings, the sisters begin a physical competition...