The heroine: Izumo Jinsu is a very ordinary 24-year-old white-collar worker who has worked for Japan's No. 1 Consortium for two years, but is still a downtrodden clerk. He has no future, and his biggest dream is to one day earn enough money to open a small shop of his own and live an ordinary and happy life with his husband and children. But this dream was destined to never come true. Because she met that extraordinary man - Aihara Umika
Male protagonist: Aihara Umika, the boss of Japan's No. 1 Consortium, born as the leader of the No. 1 Consortium, he is calm and decisive. Born as the eldest son of the Aihara family, he is a filial son and an obedient money-making machine. As the elder brother of Aihara Amanaki, he is a supporter that he can rely on. So... What about himself? What is it? Izumo said he is Aihara Umika, so he is, and only Aihara Umika.