The Boy Inside is a 2012 Japanese film directed and written by Tetsu Maeda. It is Maeda's thirteenth film, and the plot centers on a teenager named Morio who has the IQ of a 6-year-old and his childhood friend who tries to get him to fit into the society. This film is based on the manga with same name by Yamada Naito. The film was released in Japan on September 22, 2012.