I'm Not a Hero, I'm a Devil

The Sloth Demon, one of the seven demon kings in the demon world, is forced to save the world every day A certain savior: He is a hero A professor: He saved us A certain bat: A partner is good A certain Iron Man: He saved the world I kind of don't want to save the world either! I just want to be a devil in peace! Villain: Haha, we don't believe it, you always stop us from doing damage every time! [System, I hate you! I wouldn't be in so much trouble! A certain demon king [But Lord Demon King, you yourself promised to go and save the world. A certain system Get away! Little did I know there would be so much trouble! A certain demon king