This is the result of a secret admirer trying to get love, from a superior-subordinate relationship to a friend to a stranger.
The four years I spent with her were like the four seasons of a tree. In spring it gave birth to life, in summer it turned green into a big umbrella, in autumn its branches rustled and thought it was bearing fruit but also fell bit by bit, and in winter it was completely blown away by the north wind.
Concept: Memories will disappear over time, but some things also become eternal