A look back at you means that every year...
Xu Wan and Song Yuyang met in the examination room.
Xu Wan originally thought that he was just acting on a whim.
But I didn't expect to fall in love with him year after year.
Xu Wan stopped being a coward.
Xu Wan: Fengdu knows that I like you. I think you know that I like you, but you don't seem to know.
On that fallen leaf was the boy's name.
Intention: No intention