Miyu, who lost her mother to illness when she was young and was raised by her father alone. Even after Miyu became a college student, she still had a good relationship with her father, who had showered her with love in place of her mother. One night, her father's junior, Kamimura, noticed that he had left important documents at the company and came to deliver them. Kamimura, who was treated to dinner as a thank you, was captivated by Miyu and his mind wandered...