Traveling Through the System: I Am a Bad Student and Want to Guide the Host

Chen Tianyu is a scumbag in high school, and his mind often goes blank when asked questions by the teacher. He felt like the classroom was his nightmare…. Finally one day he traveled through time, but unfortunately, he traveled through time and became a system, and he had to rely on the improvement of the host to become stronger. When he finally condensed his clone and found the first host, he found that the bound host was the devil boy Nezha. He must completely make himself stronger before Nezha rebels against Heavenly Court, Chan Jiao, and Jie Jiao...