Ben 10 and High School DxD/ハイスクールD×D Crossovers
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Ben 10 High School DXD (Old Version) New One is on its way by JerryAwesome24 reviews
Ben Tennyson hero of the universe was sent to Japan to finish his last two years of high school in a town called Kouh. There he will meet the High School DXD cast and face many Supernatural threats (Devils, Angels, and Fallen Angels) together.
Rated: T - English - Sci-Fi/Supernatural - Chapters: 7 - Words: 40,086 - Reviews: 62 - Favs: 102 - Follows: 103 - Updated: 7/13 - Published: 2/1 - Ben T., H. Issei, Rias G., H. Akeno
Going Hero! by AzureDragonar reviews
Ethan Isamu wasn't anything special. He lived a normal life with his friends Issei and Mei, and couldn't ask for much else. But when he suddenly gets memories from another world and an alien device on his wrist, things get a lot more complicated. Especially with Devils, Angels, and Fallen in the mix... (Discontinued.)
Rated: M - English - Adventure/Supernatural - Chapters: 10 - Words: 40,048 - Reviews: 23 - Favs: 91 - Follows: 99 - Updated: 6/28 - Published: 3/4 - OC, H. Issei, Rias G. - Complete
Alien x Devil! by AzureDragonar reviews
With summer vacation right around the corner, that means it's time to kick back and relax, right? That's what Ethan thought, until an alien watch from space crashed in front of him and turned his whole world upside down. With the threat of a galactic warlord looming overhead, and other forces vying for his new powers, Ethan and his friends are in for a wild summer!
Rated: M - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 7,999 - Reviews: 4 - Favs: 40 - Follows: 53 - Published: 6/28 - OC, H. Issei, S. Irina, Rias G.
Shapeshifter of Kuoh (Original - Reupload) by Bakuganman reviews
Due to a mishap, Ben is sent to a world closely mirroring his own; only with angels, devils, fallen angels and Yokai hiding in plain sight from the rest of the world. Having been thrust into a world full of mythological beings from one full of alien beings, how will our favorite hero deal with it? (NOT MY FIC. ARCHIVED FROM OMNISAURUS)
Rated: T - English - Chapters: 8 - Words: 41,097 - Reviews: 39 - Favs: 103 - Follows: 121 - Updated: 6/17 - Published: 6/11/2022 - Complete
Ben 10: Dragon God of Life by DragneelGiant96 reviews
Ever since he was 10, Ben Tennyson has been having dreams of strange creatures, strange events...and a strange green dragon. No one can explain them; they're a mystery. But when he attends Kuoh Academy, he learns that there's more to his dreams than he realizes. Powerful, original version of Ben Tennyson. OOC and AU. Rated M for swearing, violence and DxD nudity. [Ben x Harem]
Rated: M - English - Adventure/Romance - Chapters: 39 - Words: 533,559 - Reviews: 564 - Favs: 1,410 - Follows: 1,392 - Updated: 5/23 - Published: 9/23/2016 - Azmuth, Ben T., Rias G., H. Akeno
B10DXD by Fishcake10 reviews
How will Ben Tennyson cope with a whole new world of Devils and magic on top of a high breed invasion Will he return as the hero we all know only one way to find out
Rated: M - English - Adventure - Chapters: 5 - Words: 5,152 - Reviews: 17 - Favs: 16 - Follows: 18 - Updated: 2/17 - Published: 12/28/2022 - Ben T., H. Issei, Rias G.
Shapeshifter of Kuoh by Bakuganman reviews
Due to a mishap, Ben is sent to a world closely mirroring his own; only with angels, devils, fallen angels and Yokai hiding in plain sight from the rest of the world. Having been thrust into a world full of mythological beings from one full of alien beings, how will our favorite hero deal with it? (Adopted from Omnisaurus)
Rated: T - English - Chapters: 4 - Words: 5,085 - Reviews: 36 - Favs: 118 - Follows: 132 - Updated: 10/15/2022 - Published: 3/9/2022
Devils & The Alien by Celestial Watcher reviews
Ben Tennyson, wielder of the omnitrix and savior of the universe has to finish his last two years of high school at a place called Kuoh Academy in Japan. No one there knows who he is or that aliens exist, there also happens to be a group of Devils who's leader has taken an interest in Ben
Rated: M - English - Sci-Fi/Fantasy - Chapters: 5 - Words: 33,608 - Reviews: 92 - Favs: 162 - Follows: 171 - Updated: 10/4/2022 - Published: 7/26/2022 - Ben T., H. Issei, Xenovia, Rias G.
Highschool DXD: Wrong place, right time by gorum141 reviews
Banished by his universe, come see what a more bloodthirst Ben will do in a world of Gods, Demons, and other panthions. Will he still be a force for good or fall to the pits of hell. Massive mood shifts and heavy topics may be discussed in the story. Very op Ben(he will still take his wins and losses.) massive harem.
Rated: M - English - Adventure - Chapters: 1 - Words: 4,418 - Reviews: 17 - Favs: 63 - Follows: 67 - Updated: 7/13/2022 - Published: 8/13/2021 - Ben T.
Ben 10: Alien x Devil by Animes4Ever reviews
Ben needing a break from it all and trying to actually be human again heads to Japan to finish up his highschool education at a place called Kuoh Academy where strangely, no one seems to know who he is despite him being world famous. There's something freaky going on around this Town. Eh, not his problem, he was on vacation. See no evil, hear no evil…..right?
Rated: T - English - Supernatural/Humor - Chapters: 1 - Words: 4,245 - Reviews: 24 - Favs: 42 - Follows: 43 - Published: 5/4/2022
Omni planetary travels: Mykdl'dys (omnitrix user raynare timeline) by psytoro7 reviews
This is basically a parody of sort based on those Ben 10 reboot planet videos and is based on a AU am working on.
Rated: T - English - Parody - Chapters: 1 - Words: 1,299 - Reviews: 1 - Favs: 2 - Follows: 2 - Published: 6/17/2021 - Raynare - Complete
Prototype: Blacklight across the Multiverse by ryner1212 reviews
What happens when a man that only has fragments of his memories is thrown into a universe of aliens, monsters, gods and demons with ridiculous powers? This is his story as he tries to survive in a universe that is extremely hostile towards his nature, a nature that was thrust on him due to a playful being of extreme power.
Rated: T - English - Chapters: 7 - Words: 12,037 - Reviews: 16 - Favs: 86 - Follows: 90 - Updated: 9/19/2020 - Published: 9/12/2020 - OC
Ben 10 X High School DxD: Wrath of Dagon by Sammyssamith6 reviews
Join our boy Ben 10 as he teams up with the Devils and Angels to Destory Dagon once and for all Disclamer: I dont own any charcaters Issei from High School DxD will not be present in thsi story Ben 10’s identity has not been known by anyone execpt his friends
Rated: M - English - Supernatural/Adventure - Chapters: 2 - Words: 2,040 - Reviews: 11 - Favs: 22 - Follows: 22 - Updated: 5/7/2020 - Published: 5/6/2020 - Rias G., Ben T.
Ben 10: Game of Life by mak89 reviews
As if surviving against various evil versions of himself and the vicious space tyrant Vilgax wasn't enough,One day No Watch Ben Tennyson woke up realizing that he could see Titles and levels flying over his head and his entire world is shifted into a game like setting.Will he ever figure out how to use this power to become a hero like Ben Prime or he will die trying?
Rated: T - English - Chapters: 12 - Words: 64,874 - Reviews: 178 - Favs: 448 - Follows: 504 - Updated: 1/5/2020 - Published: 2/1/2018 - No Watch Ben
Crimson Twins by Dragons123d reviews
Both Hosts of Ddraig and the Omnitrix, the Crimson Twins are Earth's Mightiest Heroes, who just happen to be Devils under Rias Gremory. However, when one event triggers the beginning of an invasion, the twins must decide which is more important, the World or the people they know. (Fem!Ben, may contain harem, also OOC, just a warning)
Rated: M - English - Sci-Fi/Supernatural - Chapters: 3 - Words: 4,206 - Reviews: 8 - Favs: 42 - Follows: 40 - Updated: 5/29/2019 - Published: 5/28/2019 - [Ben T., H. Issei] A. Asia, Ddraig
Alien Force DxD by Welsh Dragon Writer reviews
During Ben's life in retirement of acting as a hero, he finds that there is yet another threat on Earth. With Grandpa Max gone, he will have no choice but to wield the omnitrix and fight side by side with his friends to defend Earth from this new evil. (Read Hero Time DxD first)
Rated: M - English - Supernatural/Romance - Chapters: 3 - Words: 10,482 - Reviews: 14 - Favs: 50 - Follows: 46 - Updated: 5/11/2019 - Published: 4/2/2019
Beyond the Ledgerdomain: Journey Of The Lost Hero by Dhruva09 reviews
After an unlikely encounter with the mad sorceress Charmcaster , Ben finds himself stranded in an alternate universe. He has to find a way to adapt himself for a war of a new kind. Will he manage to find his way home or perish in the clash between Devils and Fallen Angels? And since when he turned into an Anodite?
Rated: T - English - Chapters: 1 - Words: 4,280 - Reviews: 19 - Favs: 85 - Follows: 103 - Published: 10/14/2018
Hero Time DxD by Welsh Dragon Writer reviews
Ben Tennyson, a 10 year old boy that has a device on his wrist, and because of that he loses the people that he loves due to the target that makes him change into 10 different aliens. He runs to the other side of the planet in hopes of escape, only to figure out that he is in way more trouble than he can handle. (Not Issei/Female. Her name is Izzy) (No Asia) (Rated M Just in case)
Rated: M - English - Romance - Chapters: 30 - Words: 139,563 - Reviews: 111 - Favs: 227 - Follows: 198 - Updated: 7/4/2018 - Published: 12/17/2017 - Complete
Ben 10 - The Crimson hero by berserkerzero7 reviews
Ben was ready to give his life to take down Malware. Expecting the abyss, he found himself in some short of world comprised of mythology. Now he found himself bound to a cute red haired devil girl. "Paradox were are you?"
Rated: M - English - Fantasy/Supernatural - Chapters: 1 - Words: 6,472 - Reviews: 88 - Favs: 165 - Follows: 173 - Updated: 5/23/2018 - Published: 1/2/2014 - Azmuth, Ben T., Rias G., H. Akeno
A Hero Amongst Devils by xXCassKXx reviews
A hero faces his greatest challenge yet. Will Ben be able to surpass all the odds? Will he come back the same? Will love blossom during his adventures? Will lewd and questioning things happen? Who knows! I'm just the guy asking all these random questions and making you read the story to find out. I do NOT own Ben 10 or Highschool DxD. The answer is yes for the last question though.
Rated: M - English - Supernatural/Romance - Chapters: 8 - Words: 40,993 - Reviews: 57 - Favs: 150 - Follows: 158 - Updated: 11/24/2017 - Published: 6/3/2017
Ben 10 DxD by SacredGearz reviews
Ben Tennyson & Kai Green discover a new world, Charmcaster and Hex manage to follow them in hopes of getting all of the Sacred Gear from the world in order to- you know- become invincible!
Rated: T - English - Supernatural/Adventure - Chapters: 1 - Words: 215 - Reviews: 3 - Favs: 7 - Follows: 7 - Published: 11/2/2017 - Ben T., Charmcaster/Hope, Hex, Kai Green
O herói lendário e a princesa carmesim da ruina by Khyzaru reviews
Existe a teoria sobre o multiverso, que acredita que existe infinitas realidade diferentes com infinitas historias e possibilidades, em uma dessas realidades aliens e demônios coexistem no mesmo universo, nessa história o herói que salvou o universo Ben Tennyson acaba encontrando a princesa carmesim da ruina: Rias Gremory.(Benxharem).
Rated: M - Portuguese - Romance/Adventure - Chapters: 2 - Words: 7,789 - Reviews: 8 - Favs: 5 - Follows: 6 - Updated: 10/31/2017 - Published: 10/28/2017 - [Ben T., Rias G.]
Albedo El Sekiryuutei Alien by NightmareZ414 reviews
En Este Universo Albedo No Es Malvado El Viajara A La Ciudad de kuoh En Japon Ya Que Se Dice Que En Ese lugar Ay Seres Que No Son Aliens Pero Estan Causando Problemas ¿Que Aventuras Le Esperan A Albedo En Una Ciudad llena de Demonios? AlbedoXFemBen AlbedoXGwen AlbedoXFemIseei AlbedoXHarem Futuro Limón
Rated: M - Spanish - Romance/Supernatural - Chapters: 2 - Words: 3,662 - Reviews: 6 - Favs: 7 - Follows: 8 - Updated: 5/21/2017 - Published: 5/18/2017
Ben DxD by Cybertramon001 reviews
The Gods of the DxD Universe foresee the need for a great hero. One that can adapt to all situations. One that has saved his Universe a dozen times. Pity that they decided he'd look better as a girl. Join Ben 'Bri' Tennyson as he/she helps the House of Gremory and all the problems a girl could face. And figure out how to change back. Rated M for swearing and nudity.
Rated: M - English - Adventure/Humor - Chapters: 32 - Words: 252,129 - Reviews: 324 - Favs: 698 - Follows: 529 - Updated: 7/4/2016 - Published: 3/11/2014 - Ben T., H. Issei - Complete
Adventurer DxD by OliverTomix007 reviews
Ben Tennyson had achieved a lot in his life, He had accomplished feats no normal person can. He had defeated enemies like Diagon and Vilgax, Saved the planet and paid the price to do that. However, Can he handle his certain red head fan? Who is asking for his help to break off her engagement to a guy? Can he really resist her innocence and charms?only time can tell
Rated: M - English - Chapters: 1 - Words: 7,665 - Reviews: 24 - Favs: 91 - Follows: 91 - Published: 12/4/2015
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