A Guardian of Positivity from the Tree of Feelings has entered into a world with a tournament threatening the fates of a species of beautiful extraterrestrials powered by love. Dreamtale and Sekirei belong to their respective owners.

Undyne, the Spear of justice, has finally gained enough DETERMINATION to transmigrate herself to a different universe. after the slaughter of her home, she will venture to another universe and try to save it like she couldn't her own. My Hero x Undertale OP! Izumi. Fem! Izuku

They just wanted to be themselves. Their parents didn't listen. They didn't understand. When their parents wanted to send them to a conversion camp, they decided it was time to run away. After an incident in the nearest national park, they find themselves in world of monsters and magic. Then, along their journey, they make friends and find themselves too.

Ever since Toby Fox made the RPG game know as Undertale 5 years ago, many people made their own versions of it, known as AUs, or Alternate Universes. Here is my AU, which stars a most likely forgotten character from the Pokemon Adventures Manga: Yellow. This is also kind of takes place after a whole bunch of stories that expand on Yellow's character. Hope you enjoy!

After fighting in Chara's genocide run for what seemed like a lifetime now, Sans devised a new plan to get rid of the wraith, in the hopes of giving his brother a happier life. In doing so, there were unintentional side effects and Sans found himself in an entirely new world. Undertale—more specifically, Sans, meet the Marvel Cinematic Universe.

The Underground had seen an incalculable number of resets. Frisk, Sans and Flowey are tired of each reset, but in one reset, two new people fall into the Underground. Will these two break the cycle or will they become a part of it? Spoilers for Undertale and Fnaf Security Breach

after opening up a mysterious book she found in her bookshelf,toriel is transported to a new world and she will have to protect it from the threat of the Waves, follow Toriel as she and the other three heroes make bonds and rivalries while adventuring

What if Frisk from Undertale went to the world of One Piece? See what happens as Frisk goes on a new adventure!

Stories speak of a mountain where children have gone and never returned, unknown of the mystery which lies within it. Now history repeats itself as a child falls but with a twist as another joins...and to think a mild stroll got him into something thought of as fairy tales.

Here we are we made it. The Underleague, the most difficult challenge for any pokemon champion out there. 8 Gyms, 4 Elite members, 1 ultimate pokemon master. Their latest opponent? A...ten year old kid, without a license and and little eevee...Um is-is this normal? Oh, so your Frisk and you literally fell down here? Well in order to get out you have to go through the league. Sorry

Dans un monde, une jeune fille négligée qui cherchait une fleur pour un professeur afin de gagner de l'argent pour s'occuper de sa sœur est tombée dans un monde rempli de monstres et les a libérés. Mais dans la ligne temporelle située juste à coté, la guerre n'a jamais commencé. "Je ne peux pas en mettre plus parce que manque de place. Traduction de fic."

Imagine a world where every person with a Quirk is equal to every Quirkless one. A world where no one has to die. A world where Heroes and Villains don't have to exist and no civilian or innocent has to be in a crossfire... Such a world can exist, But everything comes at a price...

A Hunter at the apex of his ascension is torn asunder, his very existence shattered across the very Cosmos. The Hunter awakens in a flowerbed of golden flowers and discovers he is under an unheard mountain that houses monsters of old. The Hunter shall journey through a changed Underground, interact with monsterous folk, a time altering child, and the- CONSUMETHEHOLYCHALICE!

Summer and Autumn were very close because both of them are twins... Years passed by, Summer was sent on a mission and didn't came back, Autumn Rose who came from a far location had gone back to Vale to meet her family and lastly her twin, a shocking news that will break Autumn's heart will change her forever however she won't stop until she sees her whether dead or alive

Mario forces Asriel to go to the bathroom after Asriel poops himself while busy playing a game.

Ruby Rose recognized that person in the tree. They certainly stood out with their disheveled hair, tattered yellow and green shirt and sharp red eyes; yet she couldn't place where she had seen them before. They also had a strange name, and coming from a family with names like theirs that was saying something. Really, who names their child Chara? What kind of color is that?

After completing the 2 main Undertale routes. Lincoln isn’t the same person anymore. As something happens to him that even slightly changes his appearance. How will his sisters react? Will they accept him for having determination powers after being gone for so long?

La vie de Léa change du tout au tout quand des monstres surgissent de nulle part pour l'attaquer et qu'elle se retrouve contrainte de vivre dans une académie loin des humains.

Mario must save Asriel from the evil Yamcha!

With no memory of how he got there, Frisk has to work together with another human to survive(and maybe save) the underground. But how can they do that if they can't reset and the other human is less smarter (and way stronger) than them? (Prequel to Doki Eddy Literature Club)

I'm sorry for not doing anything with date a tale so insted I will make it where I make lil scenarios with Sans and date a live characters. So enjoy

It's Kris anniversary and she didn't remembered it. Unknown to her, her friends made a very cool gift to her.

Another human falls on the Underground. This time, is a pre-adolescent girl called Kris who escaped from a abusive orphanage.

Compa and Iffy were discovering a new mountain called mount Ebbot but they wind up falling into the cavern where the monsters reside. Would they have to fight to get free, or are these monsters not like the ones in Gamindustri? Will the folks in Gamindustri try to save them? Is there a dark secret in these Caverns? Will the two girls know what to do when the time comes?

After her family fell apart, Lilith Pleasant ran away, but that wasn't all she was planning. When she jumped into Mt. Ebott, she never expected someone would care for her with no questions asked. Oneshot.