From simple scans: in the spring it was 16 years old, Takiaca gets a strange, but a detailed letter from himself, ten years in the future. At first she thinks that a joke letter, but then things written in the letter, including the new translated student, sitting next to her in the classroom, dish, cater. The letter is read just like entries in your diary, with the same symbols. Only in two weeks, when Kakuer returns to school, it finishes the letter. In the letter of his 27-year-old, I tell my 16-year-old, that his biggest regret is that I can't care more with them in the future, and asks him to closely follow him. This manga makes a pause.