JAV Streaming SDMF-052 Shizuka

Shizuka spoils her useless little brother who only has a junior high school education and has never been able to get a steady job and just lounges around the house. He has been abandoned by both parents for a long time, has no ability to earn a living and has no girlfriend. But his sister continues to be devoted to him, even taking care of his private parts and continuing to affirm him… All of this is for her brother’s sake… What is the true purpose of her abnormal supportive love…?