A Certain Family's Incest Genealogy

A lewd adventure game featuring Kyoichi Mitsugi, a young man with a bondage obsession whose life takes a dramatic turn after his father's remarriage. After a frustrating encounter with his mother, he is cast out and discovers his grandfather's collection of erotic manuals and implements in a garden storehouse. Driven by newfound inspiration, he begins to explore his perverse desires through various sexual encounters and scenarios.