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.

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?

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.

Goku is ordered by the United States government to blow up the world of Undertale.

The adventure that took place in a different universe.

Worlds collide when Alphys accidentally creates a portal (or two) to the Warriors universe. While the monsters rejoice at the chance to reclaim the surface, the four Clans must come together to face a new threat. Set one month after a Neutral Pacifist run and one moon after the battle with BloodClan, respectively.

What if by some curious opportunity, instead of Wonderland... it was the Underground, the realm of monsters that Alice fell down the rabbit hole into? It's a world just as curious, with as many colorful characters, and things to discover... but is 'kill or be killed', 'mercy or violence', 'a good time or a bad time'. Can her curiosity and imagination open up into determination?

When Unspeakable Hermione Granger went to investigate a time-magic anomaly, her research sent her down a rabbit hole she never would have expected.

Deep below the earth with little memory and echoes of Blood coursing through her, the Good Hunter awakens in the Underground. "This doesn't look like a Chalice Dungeon."

Error, the former god of destruction got himself an interesting friendship. He's friends with the pirates that has chaotic tendencies. I do not own One Piece nor Undertale. Be mindful that Error is different from the OG FGOD Error. He has friends.

What if Frisk went to the world of Fairy Tail?

"This was never meant to happen, you should have just brought them back." Player said as he went to delete her , but then something caught his eye. The Monika lover smiled as he looked at the Heart. "Maybe you can still learn." He moved her file over to UNDERTALE and opened it's files. He was finding a spot to put her, hovering over Frisk's. Then the lightning struck them..

With the Monsters being released from the Underground by demand from the Wizarding World, Voldemort has gone on a killing spree vanquishing everyone in his path… except one. Her name was Frisk Dearborn and she was known to the public as the Girl Who Lived.

Frisk succeeded in freeing the Underground from the Barrier, and all is freed back to Tamriel... too much they see is wrecked with strife from the Thalmor, and now a Dragon Menace. Teamed up with Jin, a former Soldier of the Imperial Empire, and the fated Dragonborn, they all travel to stop the Dragon Meance, and the Thalmor in a unlikely alliance. (Pairings Undecided)

You are not a hero, yet here you are with a happy ending. Or, Rachel, and the aftermath with the monsters. Part of "you are more than a broken glass flower"

It's been over two years since Frisk fell to the Underground, and was adopted by the Dreemurr family. One of her former foster parents has finally noticed, and come looking for her. Now, if Frisk can't find a way to bring her families together... it might just tear her apart. Book Three of The Underground's Saviour

Isaac Clarke at first thought he was doomed. But with the Titan Station's shock-point generators malfunctioning, he is transported to a supposedly new world. But the threat of the markers are looming over, and soon Isaac will have to experience the horrors of the necromorphs once more. Maybe he will have some help... UPDATE: I'm back, and I've got stuff to say!

After leaving BC Freedom Academy because of it's toxicity, Andou had to find a new answer to the troublesome necessity of finding herself a highschool. And what place could be the answer if not ambitious highschool far away south with talented students, questionably powerful leader and new Sensha-do team being created from leftovers? (AU after Das Finale)