Rei Kagami (Ryosuke Yamada) is a billionaire and the CEO of the leading conglomerate company Kagami Group. He is an extremely smart inventor, who has developed revolutionary products, and is now doing research on high precision AI. When he was little, he was a curious and kind kid. As he grew up, his curiosity remained, but he became self-centered. For certain reasons, he begins to teach at a school, while hiding his identity as a billionaire and the CEO of Kagami Group. His performance as a teacher is quite poor compared to his excellent work as a CEO. He is incapable of understanding the ordinary lives of the teachers and students around him.
50-year-old Okita Makoto is a middle-aged man who is old-fashioned and prejudiced against certain people and behaviors. Because of his values, he is disliked by his son, who likes cute things, his fujoshi daughter, who likes BL, and his wife, who is a fan of male idols. After meeting a gay young man, Makoto begins to slowly change his way of thinking...
Ohara Azusa is an actress, born in Itoshima City, Fukuoka Prefecture. She is signed to Contents 3. In January 2019, she was scouted and would make her gravure debut in April of the same year. Later that year, she also made her movie debut in "Inochi Suketchi (The Sketch of Life)".