My husband's father has been transferred overseas, and our couple will take care of my husband's younger brother, Yuzuru, who is still a student. I was worried about Yuzuru-kun, who enthusiastically supports the idol group without studying, so I secretly threw away important support goods with my heart as a demon. That act was the beginning of a nightmare. Yuzuru, who was full of anger, rushed to his house with his idol companion. Even if I apologize, I will not be forgiven, and from that day on, the days of being circled will begin ...