He gave him a paper crane, and from then on, he flew into his crowded little world.
An Yu never thought in his life that he would start his love in the vegetable market because of a day of fish. So, on the first day of school, he started fighting with his "good friend" Si Nian.
But then...
"An An, I will give you a paper crane, can you promise me?"
"?" Big brother, didn't you just give me a paper crane? Why are you so close? !
Intention: I don't know