When the mother, Shinako, found out that her son Naoya was being bullied by his friend Kenji, she reprimanded Kenji. However, Kenji retaliated by threatening Shinako, saying, "If you become my sex partner, I won't bully Naoya." Although Shinako tried to resist, thinking of Naoya, she had no choice but to accept Kenji. Naoya secretly witnessed the entire scene... The cowardly Naoya couldn't stop it and could only watch helplessly...
