GVG-388 An obedient and masochistic older sister and a provocative and sadistic younger sister

Hikaru, the younger sister, crosses the line between parent and child when left alone with her stepfather. One day, when her older sister Haruka returns home, she catches Hikaru and their stepfather having sex… When Haruka tells their stepfather about it, he pressures her to keep quiet, ultimately leading to a relationship between them as well. A strange triangular relationship between the beautiful sisters and their stepfather is about to begin…