Mirai Sunohara is the descendant of her grandfather who created Yamaku Yusen in a single generation. Her father also expanded the company he inherited from her grandfather. The company has been passed down for three generations. It is not a simple genealogy, but the gift of bloody efforts. Currently, the company is run by brothers and sisters. However, recently, a man who had worked at this company during his grandfather's time has returned to work... From the outside, it sounds like a good company, but inside the company, a person with a certain ability is rewriting the personality...
