The school tyrant Shen YiChen is looking for trouble with the genius student Ji YuMing?! The lives of two campus figures who originally wouldn't have crossed each other's paths in this lifetime, become entangled because of a particular "diary". As Shen YiChen continues to pick fights with Ji YuMing. he realizes that this model student doesn't seem like the type who'd "do such things to his younger cousin brother".