Graduated from Nihon University College of Art, Department of Cinema, and participated in numerous films as an assistant director.
Akari Yoshiyama is graduating high school soon and is expected to lead new life after she passes the university entrance exam, while her mother is working as a pharmacologist. However, her mother has a car accident and the situation is totally changed. She decides to go to 1972 to fullfil her mother's wish.
Kenta, a young pianist who has just lost his job, is drowning his woes at a bar, when he meets a man in a Hawaiian shirt named Yamaki. He invites Kenta to work with him, and the next thing he knows, Kenta wakes up to find himself in a room he has never been in before. It is a strange room that seems to have no connection to life. He descends a staircase to find many shelves of books.
University student Keisuke returns to his hometown during his summer holiday and takes a part-time job at a run-down movie theater. However, his boss Ruka, a projectionist who lives on the premises, has not set foot outside in three years, and always falls into a deep depression on Mondays. Keisuke feels himself becoming attracted to the mysterious Ruka, but...