The first time they met was in the hospital. When they broke up on campus, it was because Song's father did not agree with them being together. After that, Chu became a young artist and liked to draw comics. When Chu became an artist, he began to tell others about the stories he and Chu were together under another name and with another ending.
Intention: Love yourself, love the character. If you don't have enough brain, just fill in the blanks.