Mary Sue... Enter with caution...
Ye Muhan, a high school student in a certain school,
An accident caused each school to be divided into different gangs (Do you want to fight with elementary school students? Will elementary school students cheat their teammates?)
All she has to do is "not let them succeed"
Absolutely not Chen Chengcheng and Mr. High, well, absolutely not!
My writing is not good, please forgive me⊙⊙