Devil's High School: a Lock from the Sky at the Start

He traveled face-to-face into the world of Devil High School and became the tragic protagonist Issei Hōtō who had just been killed by his "ex-girlfriend". How should I survive in this world where gods and Buddhas are everywhere and ghosts roam the streets? As a newbie, Bing Teng said he was not panic at all. You start with a lock from heaven, let alone a devil, even the gods will lock it for you... Starting with the Lock of Heaven, use the invincible treasure and strength to dominate the Demonic High School. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.