Without Passage of Time, How Can We Know the Past?

In school days, in addition to the busy academic work, there is also the ignorant joy of adolescence. There are teachers and students that one likes or dislikes, there are people who pretend to be handsome and cool inadvertently, there are people who are self-righteous who do not know the heights of the world, there are subtle things that are not surprising but are still talked about, there are many very interesting things. There are so many regrets that you can't make up for even if you try your best, and you are young and energetic, and you always feel that you will forget it, but it is like a seed in your heart, quietly running through your whole life. This is Xiao Yumi's high school life, so ordinary that it can be said to be the majority... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.