His father, Ginji, decides to remarry when Masao finds a job. The person who was introduced without knowing anything was a tutor, Misora, when he was in ○ school. Masao, who was secretly in love with her, couldn't congratulate them on their marriage, saying, "I can't believe that Misora-san is her mother!" Misora, who consoles herself by fantasizing about Misora's stupidity every night, is friendly with her girlfriend Masao. One day, Masao finally reaches the limit of his endurance and vomits his accumulated desires into Misora's ripe body...
