My son, who is not good at socializing, brought his friend Hayashi home. Mei, who was worried about her son, who didn't fit in with the class, welcomed Hayashi with open arms. If you ask him, he has excellent grades and is highly trusted by his teachers. Mei is relieved that she has made a good friend. However, Hayashi had a secret face that he had never shown to anyone. His good-natured personality is just a performance to make people trust him. - Deceived by it, Hayashi's demonic hand stretches out to Mei, who is completely relaxed.