Gibo to yûbin haitatsunin: Kin'yoku

義母と郵便配達人 ー禁欲ー

Also known as 郵便配達は義母と二度イク, Yûbin haitatsu wa gibo to nido iku

Naoya, who works at his family's post office, is suddenly told by his respected father that he is remarrying, leading Naoya to live under the same roof as his new stepmother, Yoko. Tormented by the sounds of intimacy drifting from his father and Yoko's room, Naoya finds himself consumed by restless desire...