A new urban legend of [Mobile Phone + Horror] with a mix of combat and magic. ... more>>

Kanzaki Mitsuya is a high school student who enjoys video games. On one particular day of his boring life, a strange email arrives on his mobile phone. It is an invitation to the game known as [Innovate]. Out of boredom, Mitusya decides to register and participate in the game…

Note: While Mitsuya and characters from this novel appear on High School DxD, Ishibumi has stated they aren't related to this original version of the characters, but instead from a yet-to-be-published reboot of it. <<less

A Spin-off novel of High School DxD by Ichiei Ishibumi bundled with the Blu-Ray special editions of the Season 3 Anime, High School DxD BorN.... more>> Set in a time-travel setting between post-Volume 14 present timeline and thirty years into the future. <<less

A compilation novel series of short stories from the Highschool DxD universe that were published in Dragon Magazine.... more>>

DX.1. Love Song to the Reincarnated Angel

DX.2. Worship☆Dragon-God Girl!

DX.3. Cross x Crisis

DX.4. Student Council and Leviathan

DX.5. Superhero Trial <<less

Caught with a severe fever before his school trip, Tobio Ikuse, a second year high school student was forced to missed out on his school... more>> trip with his schoolmates on a luxury liner. Four days later, the news about the disappearance of the teachers and second year students from his school reaches Tobio's ears. Few months after that incident, Tobio having slowly recovered from the lost of his friends, accidentally encounters one of them again. Chasing after his missing friend, Sasaki, Tobio caught up with him but was shocked to see Sasaki with a Lizard Monster and attacked him with the monster. Cornered by the monster, Tobio is rescued by another survivor of the missing luxury liner, Natsume Minagawa. Tobio is then handed an egg by Natsume before parting ways. Later that night, Tobio found himself under attack again this time by two people with monsters, amidst all of that, out of Tobio's shadow came a Puppy who rescued him. After fending off the two monsters, Natsume once again approaches Tobio and decides to bring him to their hideout. <<less

A continuation from where High School DxD Volume 25 left off.

I, Hyoudou Issei, am a 2nd Year High school student and my age is equal to the number of years I haven’t had a girlfriend. And, someone like me got a girlfriend! I’m sorry buddies, I will walk the path of becoming an adult before you guys! – That’s how it was supposed to be, but why did I get killed by my girlfriend!?... more>>

I still haven’t done anything yet! Are there no Gods in this World!?

And, the person who saved me is the most beautiful girl in my school, Rias Gremory-senpai. I learned the shocking truth from her who isn’t a God but a Devil. “You have reincarnated as a Devil! Work for me!”

Lured by Senpai’s breasts and treats, my life as a reincarnated Devil began.

So the “Academy×Love Comedy×Battle Fantasy” starts here with just aggressive and worldly desires! <<less