Will the cute little sister help her clumsy virgin brother lose his virginity? At this age, he doesn't have a girlfriend, of course has no experience with women, and only masturbates. His sister 'Shizuku' can't stand it anymore and decides to take off her clothes for him! From kissing to how to touch breasts, from the structure of the vagina to how to insert... The little sister gently and erotically teaches him step by step! "Big brother, was I lewd?"
