The Devil Is a Part-Timer! Official Comic Anthology

It's tough being evil when you have to pay the rent! This comical tale of a demon-lord-turned-fry-slinger follows the daily travails of (former) Devil King Sadao Maou and his general Shiro Ashiya as they navigate the complexities of life in modern-day Tokyo. Having suffered utter defeat at the hands of a plucky hero, they've been banished to earth and stripped of magical power. And if that wasn't enough, that pesky hero is still hell bent on finishing the job. It turns out crushing your enemies beneath your feet is tricky when you haven't even made manager yet! (Source: Yen Press)

Devil King Sadao is only one step away from conquering the world when he is beaten by Hero Emilia and forced to drift to the other world: modern-day Tokyo. As "conquering the world" are the only skills the Devil King possesses - and are obviously unnecessary in his new situation - he must work as a freeter to pay for his living expenses!