Failed the College Entrance Examination, Became Invincible from DNF

[Dungeon Fighter 60 Version] [Data Flow] [Checking Flow] [Behind the Scenes Flow] Passerby A: Brother, is your plug-in stable? Qin Tian smiled: Plug-in? No! What I use is... System! Qin Tian traveled back to 2008, used what he saw and heard in his previous life, and added the system to create an invincible DNF business team!