Each is an independent unit set of short stories.
The first story: Yu Hui is not a kind person, but she can't help but fall in love with Song Zhixing. Maybe adolescent crushes are like this, and we may not always get what we want. But she wasn't quite sure when that guy fell in love with her.
The second story: Wang Yanyan was a little sad because the senior brother she had a crush on actually liked someone.
The third story:
Intention: Don't let down everyone who loves you