Momoko isshiki raised her only son, shuuichi, with love and care. However, the spoiled shuuichi was bullying his classmate, hinoshi, and even extorting money from him. When momoko found out, she tried to keep it a secret and asked him to apologize directly, but hinoshi, burning with revenge, demanded sexual compensation from her on the spot. Then, without knowing anything, shuuichi said to him, lend me your mom.