My Girlfriend Came Out of the Study Materials

[High martial arts + hot blood + spiritual energy recovery] Demons are raging and alien beasts are roaming freely Chen Yu traveled back in time to an 18-year-old senior high school student in Daxia and accidentally discovered that there was a beauty in red in the study materials on his mobile phone. As long as he signed a contract, she could give him power. At the same time, the system is awakened, and you can increase skill proficiency by watching short videos. When people lie down at home, their martial arts hearts rise! Fight bullies, kill alien beasts, destroy demons, beat Yingjiang, the entire plane will surrender under Chen Yu's feet!