What if Issei played host to a legendary vampire queen? Canon DxD and characters with a single difference, and the difference has fangs. This is a light crossover with the Monogatari series, but also it's own story. Read and review. (Currently undergoing minor revisions.)

Gray Fortis was an abnormal existence. His behemoth size and physical ability were large hints to his often negative reality with his apparent peers. However, the Supernatural world catches on, and the winds suddenly change. Follow along as Old and even Older powers reach forward, and Gray is tied between upholding his predecessor ancient grudge, and protecting what he holds dear.

Daniel Cole, died at the age of 28 during a failed robbery. Waking up in Limbo the Dragon of Dragons, Great Red offers Daniel a new chance of life. A chance to live in the world of High School DxD. Taking up his offer, Daniel is now the Homeroom Teacher of Class 2-B in Kuoh Academy. (Slight Crossover with Fate/Stay Night)

After reaching Akasha, Sia died. However, the root of the Universe, Akasha, had other plans for its favourite introverted scientist, as it reincarnated him in another world. Armed with a little gift of Akasha, Sia now has to deal with a lot of mythological bullshit and perverts.

Engañado y manipulado desde que fue salvado, un chico deseando ser un héroe para proteger a quienes ama y ser como la persona que quiere ser, es arrastrado a un mundo nuevo para el quien sufre este acontecimientos, llevándolo a un camino de donde conocerá gente que no pensaría ver oh hasta quienes el no podía ni alcanzar.

My name is Issei Hyoudou, I'm pretty awesome but live a normal life, and... did I seriously just get Isekai'd? Nothing makes sense but I'm going to claim all of the women with my amazing face, personality, and... "Red-chan did you seriously have to punch me like that?" "That's not even my name dammit!" "Ehh...?"

Caiaphas Cain, the definition of the imposter syndrome as well as the protagonist. He will pretty much do the "Fake it till you make it" to the fullest. His luck knows no bounds and his plot armor is a plot castle. Let's see where the plot machine leads him to.

Raynare had not expected this when she had "tried" to kill Issei Hyoudou. Emphasis on the word tried. "Word of advice my dear, if you're going to kill a guy on his first date, at least offer him a ****job first". Smart OP Perv Issei. IsseiXHarem.

Serafall the magic girl Satan not only is she completely obsessed with her younger sister but likes to have fun in general, one way is having a good drink from time to time. Serafall wasn't sure what to expect when she stumbled across the "Panic Room" in Kuoh's red light district but what she found was a brunette bartender who knew how to make a magic girl special cocktail

A regular man ends up dying and miraculously reincarnates into Highschool DxD! A world of magic, swords, monsters, devils, and gods! With all the knowledge he has in his back pocket will he change the plot or use it to his advantage? The possibilities are endless! Though there is one small problem, he's about 400 or so years before canon and oh yeah he's human. Let the show begin!

Hyosuke Junichiro is not a normal swordsman. As the son of a swordmaster and a former exorcist, he seems to have everything he will need in battle. But there is still greed in his heart and regrets about being his father's child. Watch him as he fight his way to the top of humanity. But there will be always the question: Why was he excommunicated from the church?

Grigori was one of the three major factions despite having less members than the Youkai. Those who were too prideful to accept their defeat and wanted war, were dealt with. Azazel had only one way left to save the race. Reincarnation.

See Issei get revenge on characters who wronged him but on how it should've been done in each story, featuring a special guest star. Also, I'm gonna review each chapter as well. Based on TheBoostMaster8K7Gaga's own story but written my way.

What is life to a Game Master. Well in this instance there is no life. Instead the famous Game Master gets reborn into Highschool DxD and now he has to use his gaming system to survive out there. Read about the best Gamer to ever live.

Kuro Dandelion the gamer

Issei Hyoudou, a half-breed Fallen Angel trained in early life loses everything. With the loss of those he cares for and learning of who his father is he will reject his heritage. But he will find family again and with the help of those he cares for he will become the Lighting Dragon Emperor. Strong Issei/less-perverted Issei/ IsseixHarem.

Ise pierde a su padre siendo un niño, y debe afrontar su perdida junto a su madre, el mejor amigo de su padre, Zeoticus Gremory les ofrece ayuda e intenta llenar la necesidad de una figura paterna de Ise, haciéndose muy cercano a la Hija de Zeoticus, Rias Gremory, quien ve a Ise como su hermano menor, pero por problemas puntuales Ise debe alejarse de Rias durante años, hasta hoy..

Angels, Fallen Angels, Devils and Humans ... These are just some of the creatures who live together in our world, even if, not always peacefully. They often speak of their differences but never their similarities. All of them have wishes, and those wishes hold great power. And what triggered those wishes? Well not all wishes need a grand purpose behind them to be powerful.

Remastered

Rias Gremory has noticed that her second husband has been acting a little off. A continuation of Reflections of an unhappy marriage.

An entirely new take on one of my more popular stories with a new Issei and a brand new starting point. (Strong Issei) (Less Perverted Issei)

Después de perder por segunda vez, Issei entra en un estado en el cual su vida corre peligro, pero al interactuar con unas chicas, se salva de su destino y en el camino, ciertas personas, se volverán parte de su travesía

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! (Male SI MC, Mature/Dark Fic, Contains Crossover elements)

I was dead. Now I'm not Cool right. Though being reborn in a world as dangerous as this one might not be that cool. Well no point in looking at the gift horse in the mouth. Let's see what I can do in this new crazy world! SI as a Gremory. Fem Vali. Rated M due to paranoia.

Rias Gremory reflects on twenty years of being married to a unrepentant philanderer.