The cover design of The Devil Is a Part-Timer! novel's 18th volume was revealed.
The novel's illustrator, 029, posted it on Twitter.
The volume will be released on January 10th, 2018.
The Devil is a Part-Timer!, aka Hataraku Maou-sama!, is a novel series written by Satoshi Wagahara that the devil in another world comes to this world as a retreat from a battle against the hero.
The novel inspired TV anime adaptation with 13 episodes.
Via - Official Twitter Account: