Maou Gakuen No Hangyakusha

Chapter 14: A Human's Growth Is Infinite
Chapter 13: The Potential Of The Weakest
Chapter 15: Breasts For All Tastes
Chapter 13: The Potential Of The Weakest
Chapter 15: Breasts For All Tastes
Yuuto is an ordinary high school boy who, one day, notices a mysterious tarot card by his bed. He shows it to his parents, who give him the good news - as the son of demonkin, he is eligible to become the next Demon Lord. As such, Yuuto is soon brought to a demonic academy in order to improve his devilish skills and earn the title of demon lord. And, you know, get a harem along the way. From the author of Masou Gakuen HxH and Ecstas Online.