A mysterious library located in the city of Kuoh, in a sparsely populated area, was attracting the attention of several leaders and important people from factions and organizations.Who was that unusual librarian? Oh, and don't forget to turn in your books on time. You don't want to wake the Sleeping Dragon... /Strong Issei with comedy harem.

A man that was snatched from him world for 20 years manages to get back to his homeworld, this is his story.

A teen from a future where humanity has begun to die along side the universe travels to another universe to start again. there he meets a girl maned after an ancient Arthurian legend and discovers the supernatural. he teaches her their own type of magic but when a successful casting causes them to Lose control of their bodies it's not just a new type of magic the young lady learns.

Issei Hyoudou is a Devil but in this story the King will be non other than the Duke of Destruction and Chaos. Runeas Gremory. And how will our hero live with a childish but deadlier Gremory? Let’s see. Oh and Issei will have a different Sacred Gear.

Taro Yamada was an average guy in an average world. The world around him, the people around him, however? They weren't average by any definition of the word, and sooner or later, Taro would see the difference between the world he knew, and the world around him. The trigger just happened to be the girl of his dreams.

DxD is widely known for its laughably incompetent doofuses of villains. Now, what if that wasn't the case? What if a potent villain emerged that could actually pose a challenge to the main-casts plot armor powered by a breast-filled determination? This is what this story is about. Prepare for anime logic to be shattered with facts and tactics.

When you experience being isekaid, you would think you would live an easier life. Well, I can say from experience that is not the case. How could have my life turn from relaxing and enjoying the powers I got to fighting for my own life! (SI MC)

A young soul reaches a weird yet unfortunate end. Wishing to have a chance to be a hero, he is reborn in the Highschool DxD world. Of course he is not there without some form of protection... Slight Nasuverse elements mixed in.

Waking up in DxD was not my idea of a pleasant day, being a minor antagonist who was destined to be cuckolded by a pervert was also not the best of ideas. That I also remember just how this world only has around 15 years at most before everything goes to shit, well, I can only buckle up and start training to see to reaching the ripe age of 30 (Riser SI, Harem, CYOA, eventual OP)

In the aftermath of his resurrection by Ophis and Great Red, Hyodou Issei finds himself targeted by one of the most powerful Stray Devils in the History of the Rating Game. The Queen of Blood and Betrayal seeks the Boosted Gear for purposes unknown and is powerful enough to threaten the Sekiryūtei. What is her goal? And what is her connection to the Bael Family? IsseixHarem.

After observing him fighting against the Demon King of his world, Lucifer Sirzechs brings a demon by the name of Kenshin to Kuoh where he soon passes out from his injuries, he is reincarnated as a Devil by Rias who reincarnated the soul he just took in. How will this new twist affect the world around him, and did his family have history in this world? He would soon find out.

What happens when a former heavyweight boxer and aspiring M.M.A fighter gets roped into the world of DXD, as its newest Red Dragon Emperor and must now deal with all the shenanigans that arise from it...The only thing he can and knockout one problem, a punch at a time... Rated M for Violence, Gore and Etc, Good Riser, Older Milicas, Minor crossover with The Boondocks, AU Story.

Rias and Sona are both summoned to someplace underground by a powerful being. Why have they been summoned, and by who?

Fiction is what the mind tries to predict, an illusion of reality. Molded by endless possibilities and free of rules. Reality is what the mind cannot predict, the realm of what is not predictable and everyone on the board has different goals and interests. Apparently, not all Doctors go to heaven, some as flaws in the system, reincarnate as heirs to the Great King Bael. SI

A Si story with Merlin’s descendant.

Issei didn't know what he was getting into when he made a deal with The Red Dragon Emperor, all he knew, was his friend was in danger and he needed to save her, no matter the cost. Eventually, Issei finds himself mixed up in the world of Angels, Devils and Fallen Angels, however, at least he has a way to fight for those he cares about. Less perverted, powerful, Dragon Issei. Harem.

My name is Millicas Gremory, and for some reason i gained memories of the future, or an alternate one it seems. I'll try to change as much of it as i can, while dealing with... well, my Lust Sin, something that just popped up and is making everyone around me act all weird. Am I in danger? / Shota, Incest, lots more.

Está historia es una adaptación del "Sekiryuutei Supremo". Tengo los permisos del autor original para hacer está historia. La trama se basa en las novelas, manga y anime de High School DxD con alguna trama del obra del "Sekiryuutei Supremo". Sipnosis; Hyoudou Issei y el Grupo Gremory se ven envuelto en una gran aventura. Combatiendo a varios enemigos que quieren acabar con ellos.

Issei un chico huerfano q no conocio a sus padres, obligado a madurar y defenderze solo desde muy niño. Despues de un inesperado acontesimiento su viva sufre un cambio q jamas uviera imaguinado, ahora con su nueva vida se enfrentara a diferentes enemigos y situaciones. IsseiXReynareXharem

Creyendo que había perdido algo, Issei entra en un estado de tristeza, pero lo que no sabe es que hay personas que harán lo posible por ayudarle

In an AU set before the start of canon and before Rias reincarnates Issei, the Gremory Heiress finds herself talked into a risque outing by her lewd, slutty Queen. WARNING: Mature Themes Abound!

The bael clan holding the rank of great king reigning supreme as the highest house among the 72 pillars their influence great and resources plentiful lay claim to be the underworlds leading body. However with their influence slowly decreasing can the new heir to the throne reclaim its fading glory as the aristocrats fight back aginst the satans and gremorys rising influence.

Brandon and Azalea, a pair of siblings from Ireland, move to Kuoh and unwittingly turn the plans of devils and fallen angels alike on their heads. Stand users, and hamon.

Shin a young Devil who do whatever he wanted , wth his friend and a few subordinates and I mean by few is literally. Anyway Devil power go Brrrtt.

My very first story. The mc gets thrown into DxD with no warning or anything said. Read and see all the surprises instore for our mc.