If you can calculate every position of every atoms and their momentum in the universe, it is possible to effectively foresee the future, or so Laplace said. In the end, the world's just a series of zero and one, and the infinite number between them... Devils? Demons? What's that?

There exist infinite universes, infinite possibilities. In one of them, an almost normal first-year high school student will discover that there is more to the world around him than meets the eye following a certain encounter. But where will his path lead him when the forbidden power sleeping within him awakens?

Issei Hyoudou is a lot of things, his most notable trait being the fact that he's just about friendly with everyone; even otherworldly beings! So one can only imagine what his daily life is when he's frequently visited by mind-boggling entities, monsters capable of tearing the world asunder, and even gods. How does he keep doing that? (Crossover)

Issei is a beast. Not just any normal beast, but a Beast, and a perverted one at that. If that isn't bad enough, he also possess the ultimate weapon for sexual assault, tentacles! Good thing he has his wives Rias and Irina Hyoudou to keep him at bay. (FLUFFY DXD)

[Issei x Raynare] Poco sabía Hyoudou Issei el gran y conflictivo futuro que le depara una vez finalizada su primera encrucijada contra aquella que fue su primer amor. Primero tendrá que enfrentar un farsante, luego vivirá una injusticia criminal de las más crueles que a sucedido en el Infierno, y como si no fuera poco, también tiene que soportar la idea de entrenar junto a Raynare.

Five individuals. Each with a sorrowful story to tell. All it takes are a few friendly bonds to create a remedy unlike any other. As five strangers become one family, their intertwined fates shall lead them to a realm of new possibilities. Slight AU. OC x Akeno x Asia x Koneko x Ravel.

"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)

This world wasn't meant for Heroes little brother. Sometimes the people you read about in stories and legends are not what they seem, like you found out. Sometimes everything that happens is for a reason. I know what you might be feeling, I know you are angry with me right now, but I need you to understand you are going to become what you were always meant to be. A king.

Humanity. For the longest time humanity has been nothing but a play thing for powers that believed themselves higher than them. One aged old hunter would beg to differ. Though he's a bit unorthodox in his methods he hunts what he sees as evil, unless he deems them necessary. Ch. 13 begins the start of Issei's pov

After Issei's death, Irina Shidou was forced to go back into the past by their son. Using her knowledge from the future, Irina is changing the world in the best image she sees. Watch the path of the Angel who lives for a second time. I don't own High School DxD or The Hidden Dungeon only I can enter.

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.

Issei's parents had abandoned him but a pregnant youkai woman, overcame by her retuning maternal instincts and his cat ears, took him in. Life was peaceful. He had an older sister and a younger one, plenty of food, and a warm home. However, he was blinded to the true nature of his father, who was to be referred to as 'Master.' (rewrite)

Una vida en un campus universitario es aburrida sin alguien quien te llame la atención... Pero cuando eres uno de los más aplicado en lo qué haces, ay beneficios que nadie espera. Y si sumas la atracción, afrodisíaco mucho licor y sexo. Más encima temporada de celo de un dragón Soy muy afortunado de tener una esposa sexy y además.

He used to be a casual fan, nothing special besides his home's circumstances. But after finding himself possessing the body of Diodora Astaroth, a minor villain destined to die a pointless death, suddenly everything started going wrong. With little more than his knowledge and eloquence, in order to survive and thrive... The new Diodora will take matters in his hands.

In the supernatural world, so many things exist. But reincarnation into it with an ability called 'The Gamer' is unheard of. As if to make things more interesting, a Dragon is thrown into the loop. And so began the adventures of 'The Dragon Gamer' with his Dragon partner.

Issei Hyoudou. had been killed. but he woke back up in his bed 3 months in the past. let's see how he changes things as he grows stronger each time he dies.

Meet Cid: a LARPer who appears cooler than he is. Vague quotes? Yep. Enigmatic goals? Check. Stylish clothes? Absolutely. But he's no hero, just an unapologetic edgelord caught in a World rich of supernatural drama. For he lurks in the shadows... and unintentionally gaslights everyone into believing he's always five steps ahead, eclipsing their plans. (AU!DxD/EiS/FunnyEdgy/FudGy)

[Issei x Tiamat/Penemue/Ross/Ophis] How much would a world change where the supernatural existed, and Angels behaved like Angels, Fallen Angels behaved like Fallen Angels, and Demons... behaved like Demons ? Issei has barely entered the world of the Factions, so he can't answer that question. But he will quickly find the answer. WARNING: sexual scenes and explicit violence.

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.

Kensei Amagiri, the surviving heir to the Amagiri Clan, after losing his mother now lives on an island, where he fights for survival with his new friends. Left for dead by the Old Devils and Taro, is found by two legends who'll assist him in taking his fate back into his own hands.

He was a relatively normal guy, he really was. So, why was it that after his death, unfortunate thing that it was, he woke up once more. And he did so in a similar but also very different world from his own and with a very strange Gamer System… But he had a second chance at life, so that was ok. What wasn't ok was that he had no idea what world he was in. That could be a problem.

A Saiyan who bears the name of the hero of Earth starts his journey through the universe of High school DXD however he's stuck with an unfortunate problem, his own heart.

What are you going to do once you are plunged into the unknown? Will you swim or will you drown? Keith certainly got more than he believed he could handle, all because of some stupid donuts and a fox girl! Now with the help of the glowing stick of destiny, he has to carve his own path in the supernatural world, or would it rather carve him? OC X Harem, Weak to Strong MC

Con un destino escrito a seguir, poseedor de un gran poder desde su nacimiento y dos criaturas capaces de cambiar el equilibrio del mundo selladas en su interior. Abandonado en la soledad desde niño, reconocidos por pocos y odiados por muchos, bendecidos por Dioses y entrenado por el Dragón de las llamas. Capaz de cambiar el equilibrio del mundo. Esta es la historia de Corey.

She broke her beyond repair, so she took the only thing away from her...maybe forever. Im bad at descriptions please read. The name use to be "Broken beyond repair" but another fanfic had the same name