Undertalexbnha Stories

After his fall into the Underground, and subsequent flee from his universe, Izuku "Error" Miscalculation-Joku had erred from his dreamed path of heroism. Dust...

Resets and Loads later, Sans finally managed to make a difference. Only for it to come bite him in the arse once he reaches the surface. Wait... since when did he have s...

DISCONTINUED A nice walk to a picnic spot can't do any harm. Just some students, taking a calming day off. Sure, there aren't any pros, but its not like they get attack...

At a genocide run Sans unexpectedly wins against ¿Chara? and something strange occurred, the timeline was thrown into chaos. As a result of this chaos, Sans unknowingly...

No ships Undertale X BNHA ------ Izuku won't become a villain , As much as I Would LOVE That I just Don't want to do it. This entire story is a TW.

After countless resets, Multiple genocide routes. The timeline gets unstable and Sans gets teleported in an alternate universe full of heroes. Will he figure out how to...

This will be a one shot, though I might continue this at a later date

Sans was taken from his world and placed somewhere else due to the resets that the player has been doing. This place is "My hero academia". But San's code gli...

Sans wakes up in a quirky universe. You know what, scratch that, 16 different Sanses wake up in a quirky universe. And guess what? They share one body. Chaos ensues. (T...

What if quirks appeared in real life? ( The world we all live in ) The story focus's on a 14-year-old kid named Ryan who is a sophomore at their high school! Hope you en...

Classic finds himself in a new place after another RESET, later on meeting up with Red. They become friends with new people and eventually meet up some familiar faces. W...

Izuku is a 15 year old boy he is a UA student He have a quirk cant ONE FOR ALL (OFA for short) Izuku is exploring mount ebott because he was curious when he was a kid...

What if Izuku was the Child of frisk and sans

"can even the worst person change?" "Yes... Yes I believe they can" After saving Sans from his lust for killing and collecting LOVE, Frisk resets the...

After losing hope of being a hero he did the one thing that will make everyone feel better death.After killing himself he was reborn at a place called the underground wi...

Random ideas i have, you vote on which i will do

This takes place when Ink and Error was transported to Kamino Ward. where All might and his Arch nemesis, All for one. Finally shows up and fight him head on in order to...

What if Izuku had three quirks. What if one had to do wi the the sans au's?

Read the story all i say this is a bnha xsans reader