He lost his parents and raised two younger brothers while working in the office of judicial librarians. One day, Chihiro, a good-looking guy who is said to be the secretary of a large business and Mochizuki group, visits Hyugako's workplace. When he heard it, he was told that the president of the Mochizuki Group died, and that his grandson, Hyugako, would inherit the position as president of Mochizuki Shoji. Chihiro suddenly kisses Hyuga while taking a cold attitude to Hyugako!?