Makai is an alternate dimension created by Dark Goddess Alice 1 where she won the war against Goddess Ilias in Monster Girl Quest Paradox
Makai's World Map
Overview
It's not explored yet but this world is ruled by the Dark Goddess herself and she has given authority of rule to her trustee Six Ancestors to designated locations. Unlike in Goddess Ilias's world, The Dark Goddess named the southern continent to Alice and the settlements like Iliasville to Aliceville in her name.