HBAD-577 — My Sister-In-Law Has An Uncontrollable Sex Drive And Flirts With Everyone - Miu Narumi

I just came to Tokyo and am staying with my newly married brother. His wife, Miu, is beautiful, cheerful, and a very good wife who is always kind to me. I happened to see Miu masturbating naked in the living room when no one else was there. I sneaked out so she wouldn't notice, but it seems that Miu had noticed...