On the first day of the long holiday, Negishi had come to stay at his friend Yoshiwo's house. Negishi was mesmerized by Yoshiwo's mother Tsubasa's beauty and alluring figure. That night, as Negishi stood in the bathroom before going to bed, he accidentally saw Tsubasa having phone sex with her lover. Excited by watching Tsubasa masturbate, Negishi agreed to keep it a secret in exchange for playing with Tsubasa's heated body. Negishi's young libido knew no bounds, and he even went so far as to force Tsubasa to call her lover in the middle of it all...
