A group of 6 friends have been chosen to save the Omniverse. To add their quest, they have been granted powers and equipment from various worlds.

Ben Tennyson finds himself in the Akame Ga Kill universe he finds out that there is a corrupted Empire and the Prime Minister is controlling the young Emperor to control the people. So Ben joined the assassin group Night Raid to helped them defeated the Prime Minister and bring peace in the world. BenxHarem.

It's been a couple of months since The Investigation Team solved the case and returned peace to their town of Inaba. Yukiko Amagi was looking forward to spending the upcoming summer with her friends, but it seemed that her parents had other plans for her, and it involved sending her to America for a Summer Road Trip with relatives she's just learned about.

Gemstones AU. Instead of Gunhead, Uraraka is offered an internship with Ben 10,000. From there, she starts the path of becoming a shapeshifting alien hero.

A familiar Beastkin goes through a familiar abandoned Cauldron. However, she doesn't end up in another timeline, but Bellwood, home to a teen with a watch he wears on his arm that can change his shape to save the world from harm.

Ben and the gang are all so excited to see Angel, and she was finally coming home from her studies. But before they can celebrate three girls come to town and they fall deeply for Kevin, Rook, and Ben. I owned my OC Angel and it's my first time making a Ben 10 crossover so please don't hate me. Sit back and be ready for my newest story and please we need LadyDaisys back, please

Ben Tennyson and his team are in for the adventure of a lifetime when Professor Paradox sends them on a mission to aid the Straw Hat Pirates in finding the legendary treasure One Piece and help Monkey D. Luffy achieve his dream of becoming the Pirate King. But, old enemies plot their return.

Ben, Gwen and Kevin enters a world of Dragon Ball (I Own Nothing)

Lincoln had run away from home for about four months and had been on his own since. Until one night, he meets the Tennysons and a watch that turns him into ten different aliens. Now he has become something that never thought possible he'd become a superhero. (Got the idea from Overlord159)

this is a collection "what if" ideas from the fictional universe, hope it inspires others. treat it more like one-shot story ideas than anything else. give ideas and or suggestions and see what could be created. think of it like the "Marvel's What If...?" (TV series). enjoy.

Dan Tennyson thought he was going to have the worst summer ever. But when he finds a strange watch that turns him into aliens, he will have to deal with magic from another realm, alien warlords, madmen, a rival with his own watch, and all sorts of trouble with his aunts and a group of magical girls. He will learn about the magic of friendship as he becomes the hero of both worlds.

After the road trip around the universe Ben returns a changed man. Something in him changes the once fun and somewhat egotistical boy is now scarily efficient in his role as a hero. After a threat comes to his attention Ben is thrust into another adventure this time in a world full of heroes. Now working with heroes his age can Ben become the destined Hero of Heroes once again?

pirates are the scurvy of the seven seas and the most famous ones are the strew hats, but what will happen when four heroes are with them? join ben, Austin, koan and zack as they sail with the luffy and his crew as they find the one piece and fighting the evils of the villains and evil itself.

Ben 10 goes to another universe to meet the superhero girls, as well as other heroes throughout the multiverse

At the age of four, Izuku learned that people were not born equal. At the age of seven, he found a friend who believed in his dream despite everything. And at the age of ten, he finally got the chance to achieve that dream. But with the enemies from beyond the stars, can this kid really become what the universe needs? Only one way to find out.

Side Stories of Yukiko and her family during their summer vacation! Filled with humor, friendship, romance, and lots of property damage!

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]

Ben Tennyson gets sent to the world of My Hero Academia. Where is a world full of heroes and not everyone can be a hero. He enrolled in U.A High the number one hero school in the world. Many challenges will be ahead of him. He have to Go BEYOND! PLUS ULTRA! BenxHarem.

Once a task to stop a rampaging Infernal turned out to be an unusual encounter for Special Fire Force Company 8. With another Infernal stepping to the fray turning out to not only be an ally in the end, but an individual unlike any they've ever seen before; Ben Tennyson. With his powers and sense of justice,Ben eventually becomes the latest addition to the Fire Force.

Ben is transported to the world of Teyvat because he severely underestimated a technology that belonged to Dr. Psychobos. What sort of adventures would be in store for the extraterrestrial hero in this strange new world?

A new Fourze has arrived at the world of Ben 10 with a mission to be a new hero of the universe while befriending anyone he meets, what adventures will he do only time will tell now, Uchu Kita.

Frankie Stein leads an ordinary and quiet life like any typical teenage monster. But everything changes when she and her friends have an encounter with a being from another world. Her life will soon take a 180-degree turn, dangers that she never believed asked to exist will be present and everything seems to be related to her mysterious and very mischievous space friend.

One would think that in a world where everyday people possess impossible abilities nothing would really be a surprise. Izuku Midoriya, who upon the age of four was diagnosed as quirkless, was denied of his dream of become a hero that can save everyone with a smile. But fate gives him a chance; allowing him access not to one but a universe of powers and abilities.

It started when an alien device did what it did. Izuku Midoriya found a strange device on the beach one night after training when the device jumps onto his wrist. It grains him abilities from beings from other worlds. Watch him as he and his friends go through their adventures on Earth and Space in: The Alien Hero: Deku 10

zack has landed where he encounter 3 of his childhood friend but that's not all, fill with strong warriors of weapons , fighting techniques and more. Now our hero is ready to let loose