"I" (voiced by Fudou Fuzawa) came to heaven in the dark, but was blocked by the noisy messenger Prapura. According to him, God gave me, who was guilty of all crimes, a chance to be reborn, so that I could experience and feel the true value of life. "I" was thrown back to the world without explanation, and my soul entered the body of a junior high school student, Kobayashi Shinzo. A few days ago, Kobayashi Shinzo saw his favorite girl, Kuwazono Xunxiang (voiced by Minami Mingna), going in and out of a love hotel with a middle-aged uncle, and saw his mother (voiced by Kumiko Aso) behaving unfaithfully. In addition, everything in life made people desperate, so he chose to commit suicide by taking poison. After waking up, "I" lived as Kobayashi. His family members, some annoying female classmates, Singko (voiced by Aoi Miyazaki), and classmates who cast strange eyes, all made "I" feel irritated, and in this process, "I" seemed to touch the meaning of life... This film is adapted from the original work of Mori Eto.