Yukirin, who has given prostate lessons to numerous crossdressing beautiful boys, has finally come to the time when her mysterious anus will become our prey. She teaches us a new approach to the prostate, twisting her fingers not only around the anus but also into the gaps of the muscles around the perineum with her own body. Every time she accesses orgasm, her skin flushes, becomes more lustrous, and a miraculous metamorphosis of a 46-year-old man into a beautiful woman.