The Devil is a Part-Timer!

When the lord of demons and his horde wage war against the humans in their realm, a hero vanquishes their army.

Emilia the hero manages to track down the ruler of demons on Earth, but Emilia reacts poorly when she realises he isn't what she expected.

Chiho excitedly prepares for her date with Sadao. On the date they are followed by a cautious Shiro and a suspicious Emi.

Emi sees a side of Maou that doesn't jibe with the demonic king she knew in Ente Isla; everyone sees a surprising new side of the landlady.

Lucifer causes large scale destruction to the neighbourhood, and he brings along some unexpected friends.

The high priests find out about Olba's betrayal; Lucifer moves into the Devil's Castle and learns of rumours of paranormal activity.