Xie Fan's father was very evil, and his mother found someone else and only cared about other people's children.
Yu Yan came from a wealthy family. When he transferred to a new school, he accidentally became roommates with Xie Fan, and his mood was unstable.
The cool university bully (attack)×the worried and cheerful university bully (sufferer)
Xie Fan: English is astronomy
Yu Yan: I call you stupid
Intention: How can we relieve our worries? The only way is to make progress every day