This Demon King Isn't What I Was Promised

The mysterious Demon King, feared across the continent, suddenly gets a new butler. But the dashing, aloof Demon King turns out to be nothing like the one described! Staying up all night gaming? Spending all day obsessing over cats? A shut-in Demon King with no friends? Who is this guy? Where’s the dashing Demon King?! In the seemingly peaceful Demon City, undercurrents are stirring, and ever since the mysterious butler arrived, every day has been a chaotic mess. The butler’s view of the Demon King gets a new update daily!