就像有开始便有终结一样，有相遇也就有别离。两个人之间永远的关系，那究竟有多幸福呢？这所光辉高中有一个传说，操场的尽头有一棵老树，于毕业当日，在它的旁边，由女方表白而产生的情侣，能得到永远的幸福。

Tokimeki Memorial brings together the twelve young girls from Kirameki High School, but revolves around the main girl, Fujisaki Shiori. The story starts at the beginning of the third school year, which is the last year before the main character can choose a girl and date her at the graduation.