79 The Broken Emperor’s New Life » by Nefarious Doctor Issei's world was being attacked by Braniac. Issei lost many friends and loved ones by the aliens forces and his world was lost. As Issei escaped Braniacs ship, he come across a Boom Tube and escapes to the DC universe, unfortunately he was captured by Cadmus and where he will met a young girl called Ace. After escaping the two run into the JL and their lives changed after that day

1k+Dragon of the Eldritch » by AkumaKami64 Instead of a fallen angel, Issei is approached by a very different girl. One who takes great offence to attempts on Issei's life. The Supernatural realms of Earth are about to find out how small they really are, now that Azathoth has found her beloved. Issei steadily ascending into Eldritch-Godhood, a harem including female Eldritch, and various Cthulhu/Lovecraft elements.

948The Grim Herald » by AzureStoryTeller Issei a supernatural being of unknown origins, has acted as a vengeful enforcer for centuries but has grown wary of the bloodshed and violence. Having dropped his old life, he opts to live a quieter life, now helping others. However, his past isn't done haunting him as it bleeds into his future. AU. OOC. Issei x Harem. Rated M for Future Chapters. Immortal, non-cannon harem.

348Heir of Hyoudou » by Ddraig12 It all started with the death of his mother, Issei Hyoudou Heir of the Hyoudou clan's life changed after this day whether it was for better and worst we'll have to see. What if Issei was born into a high ranking devil family like Rias. What if they fell in love at a young age. Strong Issei/op, IsseixRias,(small harem) [Rias, Akeno, Fem Vali] LEMONS IN LATER CHAPTERS.

54 Issei Hyōdō, Apprentice of Vader » by bobbyf397 Landing on an unknown planet in self-exile, Darth Vader, formerly Anakin Skywalker, tries to begin his peaceful life when he comes across a young boy that is Force-Sensitive. One day, Vader saves the boy's and his family's lives and offers to train the boy so that they will never be helpless again. The boy, Issei Hyōdō, eagerly accepts. Redeemed Vader, Non-Perv Issei, AU Obviously

384 Returning Welsh Dragon Hero » by Silver W. King What does the hero do after the end of the story? Through complete unexpected and miraculous circumstances, Issei in some manner ended up in the World Line of Chaldea. He fought with them, laughed with them, cried with them, and celebrated their victories with them. And then the journey ended. Goetia was beaten. Issei is back home. What is he suppose to do now?

606The Road of Domination » by Slavic Warrior What if Issei actually found out the truth of why Rias saved him. From Raynare of all people. How is he going to grow stronger until he's able to free himself and protect everyone he cares about. Follow his path towards Domination. As he fights strong opponents and meets new friends along the way. (Less Perverted Issei) (No OP Issei) (Smart Issei) Issei/Harem OC, OC AU.

16 Light in a Bottle » by Aerex A decade ago, Tiamat broke through the Crust, bringing forth chaos and monsters. The Supernatural rose from the ashes of men and fought back waves of Khaos or those infected on every realm, losing more and more ground every day. Life had retained semblance of normal by now with Gods among men. However for Issei? It was another day to play hero. (DxD x Honkai/Rwby/etc)

1k+ Draconian Fate Works - Volume 1 » by Kratos1989 Honestly, I should have expected it. After all, my line of work would always be screwing with me when I don't need to. What I did not expect was getting myself into a world where Gods are alive and around, Angels and Demons are real, and the residents are really weird. I blame Zelretch for this. Rated T for the time being. (Yes, the title has been changed / Sporadic Updates)

8 So I'm a Devil, so what? » by DdraigGod Riser is defeated at Rias wedding, and the days are calm and bright. An unknown entity Interferes with the world for their own enjoyment. Issei is sent to another world full of monsters, labyrinths and god's much like his own. In this world all living things gain skills and stats through battle. Issei is tasked with surviving this world, gaining power & making it out alive, can he?