はたらく魔王さま！ 公式コミックアンソロジー

The Devil King and his friends check out a wedding venue, buy swimsuits to work at the beach and…get marooned on a desert island?! This collection of original comic stories, drawn by a lineup of artists and fans of the series, collects episodes which may, or may not, have taken place during the main story! (Source: Yen Press)