A family drama swirling with desire and twisted relationships. A brother stalking his sister, a husband having sex with his stepmother, a sister displaying an abnormal obsession with her brother—this household is rife with disturbing connections. Rei has been treated as her real brother's plaything since her college days, enduring tragedy after tragedy. Her muttering, "Where's the hole you pee from?" reveals the depth of her traumatic past. Her stepmother, now past 40, has entered her sexual prime, and three months into an affair with her son-in-law, the thrill of taboo only deepens their bond. "I'm such a bad girl. Touching even your wife's mother," she whispers, only to be answered with, "No, Mother, it's your fault—you're just too damn attractive," driving their twisted relationship further into chaos. Meanwhile, college student sister Konoha masturbates while fantasizing about her brother, climaxing in sync with the sounds of his sex from the next room. Then, an action taken by the sister sets this entire family on a path toward destruction—an explosive tale where love and hatred collide.