As the big movie studios are about to enter the twilight era, the young Kenji (Kentaro Sakaguchi), who works as an assistant director in a certain film studio, has experienced an unforgettable encounter in his life. Previously, he found a discarded film in a certain movie theater. The movie heroine, the man-headed princess (Ayase Haruka), in the film made him fascinated and obsessed. When he learned that the film was about to be sold to others, Kenji was very disappointed. During the last screening, something unexpected happened. The princess actually walked out of the big screen. After that, the unruly princess regarded Kenji as a servant, temporarily wandering in the world, and experiencing this colorful world. At the same time, Kenji got the opportunity to be promoted to director, so he worked hard to write a script based on himself and the princess. In the process, he gradually fell in love with the princess, but he also learned a secret about the princess that made him disappointed...