APAK-115 My sister has a “master” and I saw her being a masochistic slave at home, indulging in sloppy sex of absolute submission. Mirei Asahi

Even to me, her younger brother, my older sister Mirei is beautiful and pure. When my older sister secretly brought home a man, I wanted to see what kind of man he was, so I pretended not to be there, and then I heard my sister’s voice calling out, “Master!” I couldn’t believe my ears. The man was my older sister’s master! The sound of bodies colliding with bodily fluids, and her obscene voice stimulated my groin. And so I peeked at my older sister, who had become a masochistic slave, indulging in sloppy sex with a middle-aged man. However, when my peeping was discovered, my older sister told me to keep quiet… [There may be some disturbances in the image and sound]