Haru is found washed up on shore. But when he woke up, he has no memory of who he is or how he ended up in the ocean. He will do all he can to regain his memories even while serving under Rias. But will he be fine with what he finds? (Issei x harem) (OC x Harem)

Hyoudou Issei was always destined to be a great man, but who could've thought he would be the Demon King of Time-Space? Is the future set in stone, though? IWAE! For the birth of a new King, one who reigns supreme over all known worlds, not just his native one. (Triple-crossover with a surprise element)

What if Gasper was unsealed and given the help he needed early? not by Rias or Issei, but by a fellow dhampir. with his help, Gasper will not only become a stronger devil for his master, but he will also go down the path of a Kamen Rider. this is a story of fate, self-acceptance, family and a bit of romance. This is the story of Kiva. (Please feel free to leave reviews.)

In a world where demons and angels exist, one area seems to be the hotspot of it all. Kuoh Academy. At the center of it all is a long-thought extinct being: the Nephilim. As this Nepilim learns about his destiny in the world, a rogue devil hunter hunts down the supernatural to appease the demon slowly eating at his soul. [reboot of HighSchool DxD: Wrath Of The Blue Devil]

Issei, after being targeted by a Phantom, forces down despair with hope and becomes Kamen Rider Wizard II. With his part-Phantom partner Ddraig, watch as he takes the supernatural world by storm. slight ooc but due to trauma and not random. Sa, Showtime DA! Will have original spells and techniques. Expect Limes and Lemons in the future. Support me on Patreon to get chapters faster.

A series of Oneshots featuring Issei Hyoudou as different Kamen Riders starting from the Heisei Era. Rated T for violence. Don't expect heavy plot. Each oneshot has a fight with some small build up.

Una desafortunada Rias Gremory se ve envuelta en una traumante situacion donde su supuesto padre y "prometido" Riser Phoenix, intentaron abusar de ella y someterla al compromiso con el Phoenix. Sin embargo fue salvada por algo o alguien y ahora esta involucrada en algo mucho mayor que un compromiso arreglado y demonios corruptos. ¿Que pasara de ahora en adelante?

A Wild Card enters the conflict of the three Biblical Factions, bringing in a new element to their world. What is he? Who is he? What does he fight for? He's trying to find the right answers as well as they wonder the same thing. For a new battle has begun, the fate of humanity on his shoulders. Only one can be the main species; The Battle Royale, deciding the fate of all life.

Demons— beings that exist in the darkest depths of the human soul. What would happen if an old demon faction of the past disrupted the balance of the three Biblical factions? Chaos and total discord. Of course, there is a solution. Let the human without an inner demon deal with them.

Yo, una persona del mundo real y también un fan de Kamen Rider Saber fui arrastrado de mi mundo a un mundo dónde los mitos y leyendas son reales por alguien para salvar el mundo de una destrucción que sucederá en el futuro, ahora con los poderes de los espadachines cambiaré el destino de este mundo. El único quien decide el final de esta historia, soy yo!

Tras vivir una aventura dura que terminó en la derrota del King Fangire resucitado por Bishop, Wataru es mandando a Kuoh a fuerzas por su Hermano y Madre para poder terminar sus estudios y estar libre de su papel de Kiva. Pero termina envuelto en más problemas que involucran mucho del pasado de los Fangire y una guerra mayor que no había escuchado...verdad, Maya?

Devils, Dragons, Angels, oh my! The supernatural world was a prominent power over the technological prowess of man. However, there is a new player entering their devious chess game. Ready to bring about the techno flood of change. World of DxD, who will be the one to stop the Ark. The answer, no one!

I got the Isekai ticket and ended up possessing a dude in DxD. Sounds cool until there is the Cursed Belt found in my school bag. Wait, am I KaiSAND now? SI/Possession, pairing undecided.

In a world where Devils, Angels and other supernatural creatures exist, most humans don't even have the minimum amount of power necessary to protect themselves from such dangerous beings. What if they actually had a unique special ability, but most of them never realized that? The Kamen Riders are here to remind everyone of humanity's infinite potential!

In a world where reality seems distorted, Kamen Riders and Worms emerge to challenge the natural order of things. But what is the mystery behind these strange events? When Issei Hyoudou and his allies come into play, the battle intensifies even more. (English is not my first language, so sorry for any mistakes, I'm using ChatGPT to help me translate)

It's easy to waste your life without even realising it, that's what I realised after I lost my life trying to protect my childhood friend but now I have second chance to come back to life, and with the help of the supernatural beings in the world and the new powers I have I'll make sure that I can come back and live my life right this time.

De un meteorito, Hyoudou Issei queda huérfano y siete años después de ese incidente, sabe que tiene un destino que le aguarda hasta este momento. Las fracciones de lo sobrenatural lo quieren, pero se darán cuenta que será inalcanzable ya que lidiara una batalla siendo que el castaño ahora será quien defienda de la amenaza de los Worms siendo Kamen Rider Kabuto (mutiple-cross)

Issei Hyoudou is an average teen. Decent grades, no past incidents, just trying to set a good example as and older brother. But he has a secret, a best friend that lives in his head. Now a mysterious threat has emerged and it's up to Issei and his demon partner Vice to protect Kuoh and his family. And maybe he'll get some help along the way. (Co-Authored by itspowertime)

Events can change a man, for Issei it was seeing the tears of the one he owes everything to. With the aid of his adoptive uncle he will make things right. I don't own Kamen Rider or Highschool DXD.

"Phantom". Magic entities that were born from the "Gate" after they fell into despair. Monsters that kill people by taking away their hope. The only one who can stop them is a boy who uses magic. However, he will not be alone. After meeting a red headed devil, he meet with the forces of the Supernatural World and together with that group they will give hope. He is a Wizard.

In a world, where devils, angels and other supernatural creatures exist. Most humans don't have a lot of power in this world. But what if there was an event, that began the evolution of humanity to new heights. This is the story of Agito: The power of humanity

It's been 4 years since he ended the battle, 4 years since he made that wish. And yet fate seems intent on bringing him back into the supernatural world. Just how will the secret world fare against the might of one who has braved the horrors of the Mirror war? How will it fare against the Red dragon in the mirror? (OOC Issei)

Aruto hiden is a failed comedian and highschooler that was apointed as the new president of his grandpas company, now not only will he have to deal with A.I.M.S. and the terrorists of . but also with devils, fallen angels and anything that comes his way. Now jump towards your dream!

Kyouya Onodera, son of Yusuke Onodera, has started high school at Kuoh Academy alongside his best friend, Issei Hyoudou. However, everything is not as it seems as Issei is killed by a Fallen Angel but revived by a Devil? Using the power of his DecaDriver and the Rider Cards, Kyouya must battle all manners of supernatural foes in this world along with finding his place in it!

A tale has been told, from days of long ago. A tale of Holy Swordsmen who would come together to defend the world, alongside their companions. Now, with the world at stake, these swordsmen will appear, to decide the ending of the story! (Original story written by Squeegeman.)