MIMK-099: 某大家庭的黑穗病情況 媽媽的代課妹的奮鬥記錄 原創作品，青姣女兒。 2021年FANZA同人CG部門排名第一！ - 溫柔色情的姐姐負責同齡弟弟的性處理！ 螢野木

A certain large family's smut situation Mom's substitute sister's struggle record Original work, Qingjiao daughter. 2021 FANZA Doujin CG Division Ranking No. 1! - A gentle and erotic older sister is in charge of sexual processing of younger brothers of her age! Hotaru Nogi