Surviving this World with Unfair Abilities

Jester, just your average high school student who have decent grade and have basically have a nice life. Everything is good but then a earthquake happen and debris crush him and he got crushed by it. Instead of going somewhere, he get transported in another world. The reason is to defeat the demon god to have his wish to redo what happened to him. He have no choice but to accept it. Of course, he won't go there empty handed so he have given four unfair powers to slay the demon god but he need first to survive.