Summary of the film : Naho Takamiya's first day of her sophomore year of secondary school is set for an uneasy begin. Subsequent to awakening late, she gets an abnormal letter routed to her. Notwithstanding, the letter is from herself—10 years later on! At to start with, Naho is suspicious of the note; yet, in the wake of seeing a few occasions depicted to occur, she understands the letter truly is from her 26-year-old self.
The note points of interest that Naho's future life is loaded with second thoughts, and she trusts that her more youthful self can amend the oversights that were made before. The letter likewise cautions all her a nearby eye on the new student from another school, Kakeru Naruse. Naho must be particularly cautious in settling on choices including him, as Kakeru isn't around later on. With the letter as her guide, Naho presently has the ability to secure Kakeru before she comes to think twice about it afresh.