DVRT-003 [Uncensored Leaked] When I take off my bottle-bottom glasses, my sister can't see anything... Yuria Yoshine

An older brother returns home for the first time in three years. Seeing his younger sister being bullied by his mother, calling her "plain" and "clumsy," he embarks on a plan to make her more proactive. However, at the time, he didn't realize how attractive his younger sister was... When he met her for the first time in three years, his sister's body was incredibly erotic!