Tensei Maou no Dai Gosan

He doesn’t want to win, yet he does all the time! The talented Demon King’s army is on a winning streak! The most powerful Demon King of all time, Kengo, has a secret that he can never reveal. In his previous life, he was Kengo Inui, a harmless high school student who got mistaken for his Yankee twin brother and died. This time, Kengo wants to live a peaceful life, but the more vicious demons he takes under his wings, the more he’s on the edge of his seat, wondering when they’ll discover his true nature! When he, the master of defensive magic, saves a life, he is revered as an invincible king. If he listens to his subjects, he is praised as a great ruler who’s attentive to their needs. B...