The Incubus King looking for his Queen

All the Yu-gi-oh Characters live in the Shadow Realm where Atem is the king. He's lonely, even though he has his little brother Yugi beside him. Both are Incubus but they're in need of a mate. So they go to outside world where they come across two girls who haven't yet tapped into their supernatural side nor do they know anything of the supernatural world. Everyone is not normal