Tales of Demons and Gods(2015)

Yao Shen Ji

Because of the Space-Time Demon Spirit Book, time and space underwent a reversal. Though he was supposed to have died to demon beasts, Nie Li found himself sitting in a classroom when he opened his eyes. He had gone back to the age of thirteen. Now that everything has begun anew... how will he protect his beloved?

(Source: Bilibili Comics)