Season 2

The misadventures of Issei Hyoudou, high school pervert and aspiring Harem King, continue on in High School DxD New. As the members of the Occult Research Club carry out their regular activities, it becomes increasingly obvious that there is something wrong with their Knight, the usually composed and alert Yuuto Kiba. Soon, Issei learns of Kiba's dark, bloody past and its connection to the mysterious Holy Swords. Once the subject of a cruel experiment, Kiba now seeks revenge on all those who wronged him. With the return of an old enemy, as well as the appearance of two new, Holy Sword-wielding beauties, it isn't long before Issei and his Devil comrades are plunged into a twisted plot once more.

一直没有女朋友的普通高中二年级生男主角兵藤一诚，终于交到了第一个女朋友！本来他可以和朋友说声抱歉，因为他可以快一歩登上大人的阶梯，但是却不知为什么会给女朋友杀掉。 这样的他给学园第一美少女莉亚丝·吉蒙里前辈救了，但她却说着恶魔才会说的话“你已经作为了恶魔而转生了。为我效力吧！” 虽然工口但很乐观的一诚，一边被自己的主人莉亚丝以及眷属中的其他美少女围住，一边为了实现终有一天成为上级恶魔建造自己的后宫，打败了各种各样的敌人，在驹王学园里展开爱情喜剧与战斗幻想的故事。