World Levels

Only the MC was alive till the very end of the world's destruction and got the bad ending. Went back in time and became OP.

Type : Very OP, Game-like survival levels, has a concerning yandere, Has lots of girls in his vicinity

MC used to be the most OP easy player and was the last one standing in the catastrophe, but sadly still didn't make it. Went back to the past to change his mode to the hardest one.

Type : Comedy, OP MC, Tower-like levels, 100 floors