Trailer
Plot summary
Naho Takamiya is sixteen and beginning her second year at a high school in Matsumoto when letters reach her from herself ten years in the future. The letters describe her days before they happen, including the transfer of Kakeru Naruse from Tokyo into her class, and ask her to prevent a regret. Naho is skeptical at first, then finds the letters accurate. Kakeru is drawn into her circle of friends: Hiroto Suwa, Takako Chino, Saku Hagita and Azusa Murasaka.
Cast
