Datte Maou-Sama Wa Kare Ga Kirai

Datte Maou-sama wa Kare ga Kirai : In the modern day world, there is one who is born as the Maou (demon king) and one who is born as the Yuusha (hero). Its said that the hero is to defeat the demon king in both body and soul before the demon king tries to take over the world, but