Issei, ready to confess to Rias, comes across her with another man in his room, making love. Heartbroken and in pain, Issei runs away. Ddraig tells Issei a way to become stronger, however, prevents him from ever being a Devil, Angel, or Fallen Angel again. Follow Issei as he becomes stronger and obtain his lifelong dream of becoming Harem King! IsseixHarem! Stronger/OP Issei