ha ha ha, so funny that the slave obeys every command except to call him by his name.
uuuuuuuuuuugh this sucks. this manga was doing such a good job avoiding the isekai trash tropes too
Yeah, the King's already an asshole, so it wouldn't make sense for the demons to be as well I guess. Hope the author manages to avoid the "demon-king-is-actually-a-harem-girl" trope.