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]
