▶ Ji Mingyuan - male protagonist
He was reborn as a 20-year-old at the age of 28. In his previous life, he was a cold-faced financial elite, and now he is a junior student in the Department of Economics. Although he looks cold on the outside, he is actually a patient with late-stage obsessive-compulsive disorder, severe coffee dependence, and good at mental arithmetic and cold jokes. The biggest nightmare after rebirth is to find that your enemy has become your "system".
▶ Gu Xiao - heroine/system king
The 22-year-old soul is trapped in the system. In his previous life, he was Ji Mingyuan's business rival and college classmate. A level 10 player with a poisonous tongue and an e-sports master who carries an emoticon language system with him. The system had to help Ji Mingyuan, but every time he released a task, he had to add the sentence "Lulu Luuluo".
Financial elite Ji Mingyuan was unexpectedly reborn and returned to college, only to find that there was an extra "system" in his body - and this system turned out to be the soul of Gu Xiao, his most hated rival in his previous life! In order to complete the system's mission and return to reality, the enemies were forced to form the most unlikely partnership in history. Ji Mingyuan had to deal with all kinds of weird tasks issued by the system, while trying to prevent the tragedy of his previous life from happening again, and he also had to endure Gu Xiao's venomous remarks. From campus to the business world, from fighting each other to helping each other, this pair of happy enemies gradually uncovered the unknown secrets of their previous lives...
