You'd better do what the button says.

Emotional stories among college students. According to the starting point of the query:

1. The hero of the novel "You'd better be" is a college student named. He found a button in the library, and this button became his chance to meet another college student named Yang. They began to contact for various interesting reasons and gradually developed feelings.

2. The author of "You'd better be" is a button, which is widely loved by readers.