The Name of the Game is Kidnapping

Sakuma Shunsuke works with numerous clients as a planner for an advertising agency. He is somewhat of a mysterious man and popular with women. He deals with his work and his personal life in the same manner, like he is playing a game. He is currently working on a large project involving a car company.  The project is progressing well, but he is suddenly excluded from the project by the car company's vice president, Katsuragi Katsutoshi. Shunsuke's pride is wounded by his exclusion, and he becomes extremely upset about it. He happens to meet Katsuragi Juri, who is Katsutoshi's daughter. She also holds a grudge against her father. Shunsuke and Juri decide to team up to get revenge. They take part in a kidnapping game.