Miharu Haruhara, who inherits the blood of her grandfather who built up Sanku Yusen in one generation. Her father also took over the company from his father and made it even bigger. This company has been passed down through three generations. It is not just a simple lineage but a reward for efforts that have seeped with blood. Currently, siblings are running the company. However, recently, a man who worked at the company during her grandfather's time has returned... From an outsider's perspective, it seems like a respectable company, but in reality, personality rewriting is being carried out by some ability holder...
