JUMP-5035 Our Little Sister Who Came To Our Home 7 Years Ago Is A Foster Parent And Wants To Fuck Her When She Remembers Only Naughty Things Without Studying! ! Riina-chan - Riina Yoshimi

Rina-chan, who became a younger sister of two older brothers in the foster care system when she was young. After 7 years, he has gained a lot of knowledge, and even though he doesn't have hair on his back, he seems to be very interested in naughty things. , I annoy my brothers every day by innocently saying things that are difficult to answer. A love story between an adolescent girl and her older brothers.