After her husband's death, Maki raised her only son Shuichi single-handedly. However, due to their favorable economic situation, she spoiled Shuichi too much, leading him to extort his classmate Hajime. When Maki found out, she went to apologize, but Hajime, who had no intention of forgiving her, took advantage of her helplessness and violated her body. Meanwhile, Shuichi, oblivious to everything and riding high on his luck, was instead cornered and pressured with 'Lend me your mom'...
