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Language:
English
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Published:
2026-07-11
Updated:
2026-08-16
Words:
6,738
Chapters:
8/?
Comments:
16
Kudos:
19
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883

Undertale Yellow: Successful Apprehension

Summary:

An alternate universe where Axis never killed the blue soul but rather apprehended them. How a single divergence can change so much in a story.

Notes:

It's pretty short, but it's only a prologue, so... don't expect much.

(See the end of the work for more notes.)

Chapter 1: Prologue

Chapter Text


The air was thick, as dust was spread across the vast tundra of lower Snowdin. A human could be seen, ballet costume covered in dust. The human child’s eyes were unreadable. Many thought that she was simply just a cold-blooded killer, while some thought she was scared. Little did anyone know however, the answer to this question would forever remain a mystery…


A grey fox monster could be seen with a strange but highly advanced robot. The fox looked at the robot and said, “Axis, apprehend that human under ANY circumstance. Got it?”

“YES CREATOR” Replied the robot.And with that, he was off.

Meanwhile in waterfall…

The same human girl snuck past a group of royal guards. After making it past, she slowly proceeded through waterfall. But then…


“AHH!” The human girl shrieked as a pink electric ball barely missed her. She looked at where the stray bullet came from and saw the silhouette of a robot with glowing, magenta eyes. “THERE YOU ARE, [Human]. PREPARE FOR APPREHENSION.”


The human ran from axis across waterfall. She ran for who knows how long through the various corridors spanning across the area. But then… she took a wrong turn. The girl had reached a dead end.

“I can’t run any longer…” The girl spoke, trembling “Somebody… Anybody…”


Suddenly a metal cage was manifested, surrounding the girl, imprisoning her.


A gray fox then walked into the scene. “Great work, Axis!”


“THANK YOU, CREATOR” Replied Axis.


“Now let’s get her to ASGORE, alright?” spoke Chujin.


“N-No!” Protested the human “Anyone but him! Please!”


“Well maybe you should’ve thought about that before hurting my daughter.” Chujin responded, ignoring the human's pleas.