"Ah, amazing! I can't let my daughter experience something this incredible." My only daughter, Saiko, is my irreplaceable treasure. One day, Saiko brought home a boyfriend. He was Saiko's first boyfriend, and I simply couldn't accept it. To think that this young man would steal my cute daughter's virginity... "My daughter is in danger. I have to protect her..." I decided that the only way to calm this mass of sexual desire was for me to drain every last drop of his sperm. Driven by this sense of duty, I pushed him down, but my body, which had been dormant for so long, began to feel intense pleasure from his sheer stamina...