hana and kurumi, sisters with different surnames due to family circumstances. The homeroom teacher, Koizumi, who is dating his student hana, was dating kurumi a few years ago. He is surprised to learn that the two are sisters. The sisters, who have become rivals in love, compete to win Koizumi over. Surrounded by the lewd, fleshy-bodied sister pair, he shows a troubled face, but inwardly he is in a "super heaven" state. Please enjoy the super lucky harem sex and the special thick impregnation creampie parent-child bowl set. featured the "hhh brand store" is here, full of great information such as the latest works and sale items!