 If you liked
Hataraku Maou-sama!
|
 ...then you might like
Lv1 Maou to One Room Yuusha
|
After losing to the hero, the powerful demon reappears in the modern world after a number of years but now they're powerless and they learn the complexities of mundane, everyday life.
They're both comedy anime that doesn't take it self too seriously, featuring a lovable former demon lord.