Soichiro, who lives with his mother in a single-parent household, is beginning to see his mother Ayano as a woman rather than just his mother. Every time he cleans, he can't help but notice her cleavage. He can't take it anymore. One day, he accidentally sees Ayano masturbating. His penis instantly hardens at the unimaginably lewd sight, and he loses his reason, attacking her. "Please stop!" Ayano cries and begs, but the intense, endless pounding doesn't stop...
