Satanikus Enma Kerberos
Satanikus ENMA ケルベロス
Prequel
Demon Express Delivery
Kikoushi Enma· 鬼公子炎魔 永井豪怪奇短編集
manga
63
59
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Four grown demons (Enma, Yukihime, Kapaeru, and Grandpa Chapeauji) are part of a Yokai-Patrol searching for demons that have escaped from Hell into the human world. They form the group known as the Enma Detective Agency as a cover for their activities.
Alternative
Satanikus!
Dororon Enma-kun· ドロロンえん魔くん
manga
Emma-kun, Yukiko Hime, and Kapaeru are members of a Demon Patrol that are sent to the human world to arrest demons. (Source: Anime News Network)