Please be my practice table? A charming woman with beautiful legs becomes a male masseur, performing dangerous exercises in sensitive areas, pushing rationality to the edge! (MIDA-079)

One day, suddenly, my sister told me she had become a male masseur. Then, she said she wanted me to be her younger brother and help her practice… But… I never expected something so dangerous! My slender fingertips brushed against my penis, her long, beautiful legs pressed tightly against my body! Although we were relatives, her neat face was so close, it made me so nervous my diaper almost burst! My enthusiastic sister's vulva touched the penis sticking out of her diaper, we touched each other, and it slipped inside… Once inside, I uncontrollably ejaculated! My sister and I'd practiced, turning into daily, unprotected, wild penetrations…