Sakura Inagaki is a dedicated girlfriend, supporting her unfamous actor boyfriend Kohei Yokota on a low pay rate. But as he became famous, he dumped her for the influencer Madoka Inoue. Sakura plans revenge, and the millionaire Keita Ichinose offers help, but in return she has to sign a contract with the devil. Sakura doesn't hesitate to accept and starts her revenge.