In A different world, where demon exist. A Demon Lord that ruled all of the demons will exist. Just what is a Demon Lord? A being that threatens humanity? That was Bullsh*t... Just look! She is so sexy! So beautiful! So charming! A scary and violent Demon? To hell with that! She is a tsundere and cute woman!!! This is a story of a man from modern world coming into contact with a super beautiful and cute Demon Lord. "K-karios... Y-you bastard! A-aah.. D-don't touch there!"