A young woman named "Hana" is seduced by her stepfather, while another girl named "Riho" secretly indulges in intimate encounters with a pizza delivery man. Meanwhile, "Chitose" experiences anal penetration at the hands of her brother-in-law. The story also features Jun, who learns about pleasure under the guidance of her stepfather, and Hikari, who is teased and pleasured by her boss during their illicit affair.

義父にセックスを仕込まれた「はな」・ピザ屋の配達員と秘密の情事「りほ」・義弟に中出しされる「ちとせ」・義父に快楽を教えられた「じゅん」・義父に弄ばれた「はな」・絶倫上司と不倫セックス「いお」。