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?

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)

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.

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.

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.

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.

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

After her defeat at the hands of her brother, the Sapphire Dragon had her soul sealed within a Sacred Gear and was forced to sleep for 2,000 years. Now she has awakened to her first host, a shy young man who desires love. AU, OCxHarem, IsseiXHarem, slight crossover element to revealed in a later chapter.

Baba Yaga, the Boogeyman, an entity that haunts the dark forest, and devours children offered by its worshipers in exchange for riches and other earthly pleasures. It was a false Deity, an evil God. Nikolai Volkov, was chosen to be the next Baba Yaga, but something went wrong. With his memories wiped out, how will he fare in this absurd world. [ DEVOUR! ] A voice was heard.

A girl, born with memories of her past life, seeks to survive in a harsh world thought to be nothing more than a story. Coming to terms with her new life and new nature she carves her own path in the world, hopefully finding purpose along the way. Self-insert [SI] as an Oni in DxD. Starts pre-canon but will gradually reach canon.

Looking for a true love-story centered around Sona and Issei? This story has the following; Passion, deep romantic plot twists, internal and external character development and most of all, ecchi moments of comedy relief when things get too melodramatic. So, canonically, the story starts after the battle with Riser Phenix, then we converge from there on. -Romance, Tsundere, Fun-

(Contains X-Over Characters) The Supernatural a whole other world hidden in the flip side of the world, home to many powerful beings like Angels, Devils and Dragons. One day a perverts date with a mysterious girl will throw two young boys head first into this new world sending them headlong into a millenia old conflict. Can Twins Issei and Yusei make it through this new life alive?

[Issei x Tiamat/Penemue/Ross/Ophis] ¿Qué tanto cambiaria un mundo en donde lo sobrenatural existiera, y los Angeles se comportaran como Angeles, los Angeles Caídos se comportaran como Angeles Caídos, y los Demonios se comportaran como...Demonios? Issei apenas ingreso en el mundo de las Facciones, por lo que no puede contestar a esa pregunta. Pero rápidamente encontrara la respuesta

Boy meets girl. That's how people describe their story. From childhood to adulthood, Issei Hyoudou and Rias Gremory are best of friends together after their first meeting. There will be drama, comedic moments, and even more. But all these memories are precious, because they walk through all of them hand in hand. (A Issei X Rias fluff story, no harem)

Asia has been feeling self conscious ever since the incident with Raynare. It as if she always liable, that those she loves always have to get hurt for her sake. But in a odd turn of events, Asia vows to never be the damsel again. She embarks on a journey of self-discovery and growth. But most importantly, she begins to unravel the buried history of her 'sacred gear'.

What would happen if issei alongside Grayfia found out the girls were in a relationship with another guy and they were just using issei for his power? isseixGrayfia

Como dice el titulo, serie de drables de tono humoristico que no tienen que ver nada entre si

What if Issei was already a demon, what if he didn't have a Longinus but a mid-level Sacred Gear. A human was given the opportunity to become a demon,he accepted his life, it took a turn but after so long he and because of some things, he needs to move away.

Request fic for the Composcreator. When Issei gets into a contract with a new client, he gets wrapped into a world of truth and fun. It's the start of something exciting where he gets some new jobs as a Devil. One that he comes to appreciate very much. Pretty mature themes and quite a few lemons. Female characters from different series.

What is Issei and Asia had draconic blood? How OP would Issei become with Ddraig? how will Asia deal with her new powers and will their dependable senpai's stop them going on a rampage?