On one hand, being reincarnated with an admittedly lackluster System is a dream come true. On the other hand, being thrown into the middle of a Civil War isn't exactly the best start to an Isekai adventure. (GamerSI-OC) (GamerxHarem)

"One day, I opened my eyes, and found myself vomiting off the top of the mountain. Definitely not the best way to start my day, or evening at that point. Then I got attacked by a mutated snake, taken in by a perverted virgin kitty, and went back home to get blown up by a dragon. Twice. And that's only the start. At least it's exciting? This new life of mine." (Demigod SI-OC)

A mage in the DxD universe makes the mistake of trying to summon a succubus and instead gets a devil wife. Task failed successfully?

He died, and now he got a chace to live again ! and with one of the most OP power there is ! A gamer system ! Now he have to survive and get more powerfull, lets hope for him to succed !

Es curioso como la vida te suele sorprender, ¿sabes? Un día estás en tu hogar disfrutando de haberte graduado, y luego despiertas en el mundo de una novela ligera que leíste en tu adolescencia. ... Por favor, alguien, ayúdeme... (SI)

As the son of a Seraph & with a powerful voice, can Issei Hyoudou survive long enough to make it to adulthood or will the Obscured continue to hound him with beautiful women!

this story about teenage boys at age 17 die reborn as hyoudou issei

Transported from a dystopian future, a lone robot finds himself in a world where humans are unaware of his existence—and blissfully ignorant of the supernatural forces lurking around them. As he grapples with his own robotic identity, alliances with high-schoolers and mythic beings alike could determine the fate of two worlds.

Since the dawn of time, Ophis and Great-red have been at odds with one another. But, what happens when through and inexplicable twist of fate, a new being was born through their conflict. Follow Issei, the third dragon-god, on his journey as the world will not be same again. Characters are most likely OOC. Might have crossover elements later on

Caspian un hombre de 45 años murió y le dieron la oportunidad de renacer en otro mundo con un sistema gamer, ahora con este nuevo poder ¿logrará convertirse en un Dios del harem?

When Issei was 8, a tragedy struck and a fire was planted at his house, killing his parents. Issei survived thanks to the strange intervention of an even stranger power which put the soul of King Solomon within him, the Wise King telling him what to do to survive until help arrived. Now, years later, Issei has returned with the power of the Void System.

MC takes Kiba's place at the exact moment he is reincarnated by Rias. In exchange, he has to get revenge on everyone involved with the Holy Sword Project. MC is prideful and has his own plans. He won't allow himself to be a servant. He will bide his time, waiting to get free and live his own life.

Accidentally trapped in a universe other than his own, Hideki (reader) tries to adapt to a life filled with magical creatures and beings of overwhelming power, all while remaining a mere human. Despite his lack of supernatural abilities, his courage, physical strength, and determination make him an unexpected figure within Kuoh Academy.

Após sua morte, Noah, um biólogo com o sonho de criar uma nova raça, faz um acordo com uma entidade cósmica. Essa é minha primeira vez escrevendo, espero que esteja legível. E sim, isso é uma fanfic, o protagonista vai para vários universos, animes, jogos, séries e filmes.

The Bible God didn't plan ahead for a development such as this. The last fight between the previous hosts of both heavenly dragons had drastic effects on not only Ddraig but his current host as well. Now that he was free from his prison, nothing would ever be the same. This is just the beginning of a new story for Ddraig and Issei.

Peace? They are not reality. Mere illusions, fragments of lies to veil the cruelty of the world. And the world? is just an intricate tapestry of lies. However, what if peace is not as hard as it sounds? You just have to unite them all right? This is the tale of Tristan Ambrosius, descendant of Merlin Ambrosius. AU! OC!

Say, have you ever thought what was your place in the world? I know, silly question. Nonetheless please indulge me on this one. I myself did that question many times in the past, though I love my homeland I always found myself feeling...out of place when here. One day however I got the answers I had been craving for so long. The answers however... aren't exactly what I expected

The Original Satans had grown antsy as the Great War persisted, and God's actions had made them desperate. The Malebranche were proven too dangerous for them. They had to rely on something else, something only recorded infamously in God's many books. Now God has quite a few enemies, but very few of them are his nemesis.

Follow our protagonist Jin as he's reincarnated into the world of Highschool DxD. But this world is a lot different from the one he saw and read! He's also lost part of his memory that has information about his past self. Follow him and his MASSIVE harem as he finds his way in this new world.

Shin was a 16-year-old kid when he was killed by the almighty truck-sama, miraculously Isekai'd to the DxD world. Naturally, as a hormonal teenager with future knowledge of the show, canon was doomed the instant he was reincarnated. OC MC! Will divert from canon! Smart MC! Crack-ish! Semi-OP MC!

This is the story of Typhion, who has gone through many heartaches throughout his life. He has known nothing but tragedy, but his life takes a turn for the better as he meets a redheaded devil and her peerage.

A human soul’s life in an unknown fantasy world filled with mysteries and danger began. Can't fit the whole synopsis in this (the limit is 300 or so characters), so please make do with the last line xD.

One-shot prequel to A Betrayed Devil, depicting one of the last moments Damian Mammon-Lucifer and Grayfia Lucifuge shared an intimate night together before Damian found out about Grayfia and Sirzechs.

Instead of Akia finding about the Occult Research Club, it's Issei's so-called partners in crime. This story will take place after the Sairaorg battle/School Festival in Season 4.