My friend's mother

The first day of the holidays. When Negishi comes to stay at his friend Yoshio's house, he is captivated by the beauty and lewdness of Yoshio's mother Tsubasa, who greets him. And that night... Negishi, standing in the bathroom before going to bed, witnesses Tsubasa having telephone sex with her cheating partner. Seeing Tsubasa's masturbation, Negishi gets aroused, and plays with Tsubasa's hot body, provided that he keeps it a secret from Yoshio. Young Negishi's sexual desire is unknown, and in the midst of the day he even makes a call to the man he is cheating on...