Former idol Yano Aima, who has returned to her parents' house, is raped every day by her unemployed brother

A former idol (Yano Aima) returns to her parents\' house and ends up living with her retired father and her unemployed older brother (Oyoyo Nakano), but her body is taken away by her older brother, who had physical relationships when she was a teenager, for the first time in a while and is turned into a sex slave!