Satoshi lives with his single mother, Ayano. As a teenager, Satoshi starts to notice his mother as a woman. Every time he cleans, he catches glimpses of her cleavage. He can't take it anymore. One day, he catches her masturbating. The obscene sight makes his cock instantly hard, and he loses all reason, attacking her. 'Stop it! Please stop!' No matter how many times she comes, the relentless pounding continues, and Ayano cries out in desperation...
