SPRD-599 - Sister-in-law, you're all mine when my brother's at work lol - Miyuki Matsushita

Living together with her beloved husband and brother-in-law, Miyuki's life seems peaceful. But after falling into her brother-in-law's trap and being caught masturbating with a toy, she's now at his mercy. Once her husband leaves for work, she becomes his personal plaything, starting another round of humiliating pleasure.