I have a vague crush on you, just like the tide rises when the wind and rain fall.
Song Chaosheng, who was born in Jiangnan, met a northern girl named Jiangnan when he was sixteen years old.
Song Chaosheng didn't like Jiangnan, but he liked Jiangnan.
Song Chaosheng maintained this love for nine years, and now he let it go.
Just like the tide rises and recedes.
Purpose: To commemorate past love