[MIDA-382] Before selling her adolescent sister who attends an idol training school, she went crazy with nipples and a big and trained her for 3 days away Nagi Yasaka

Nagi devoted herself to going to lessons at the training center with the aim of becoming an idol every day. One day, her parents say they will be away from home for a few days, and her older brother, Yuzuru, is left alone. Yuzuru is an otaku and sees her younger sister Nagi with special feelings that are different from her position as a brother and sister, and she secretly takes panty shots so that Nagi doesn't find out, and licks the mouth of the juice her sister drank. The absence of her parents is a good thing, and her perverted behavior escalates... The younger sister of a meat masturbator idol who falls with nipple development and big appilation