The Reformation of the World as Overseen by a Realist Demon King, Vol. 3 (manga)

Astaroth's new life as a demon king rising up the ranks in an unfamiliar world has only just begun, yet he's already assembling quite a group of allies! With his maid, Eve, serving as his advisor, legendary swordsman Hijikata leading his forces into battle, and Jeanne d'Arc herself lending him her strength, it's no surprise how quickly he's making a name for himself. His next step is to recruit some talented dwarves to expand his castle town, but a fearsome necromancer stands in his way…

Volume 3 of The Reformation of the World as Overseen by a Realist Demon King manga series by Andria McKnight.