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...