A total mess of Bad Guys AU, Buriko, and Guest☆
Everyone has turned into an absolute idiot, so it's so chaotic that Buriko is the only sane person left☆ Come join the fray as a berserker stirring up the madness! Romance is... probably possible...!! Good luck!! (*•̀ㅂ•́)و✧
An idiot ( ᐙ ). Boss of the Bad Guys AU. The Emperor of Darkness (lol). Skeleton. Male. A waste of a handsome face.
An idiot ( ᐙ ). A murderer. Sworn loyalty to Nightmare. Skeleton. Male. A waste of a handsome face.
An idiot ( ᐙ ). A murderer. Sees hallucinations of the brother he killed. Extreme brother complex. Skeleton. Male. A waste of a handsome face.
An idiot ( ᐙ ). A hungry glutton. Cute. Skeleton. Male. A waste of a handsome face.
An idiot ( ᐙ ). Haphephobic. Tsundere. Skeleton. Male. A waste of a handsome face.
An idiot ( ᐙ ). A skeleton who used to be the sufferer. Kind. Skeleton. Male. A waste of a handsome face. Hates cows. Calls the Bad Guys crew "Senpai"!
The most sane one. She used to be a fake-cute girl, but now she's busy being the straight man to all this chaos. Human. Female. Loves handsome guys.
Made solely for a super-stupid underworld parody
Includes Alphatale, Dark/Light AUs, the Originals, Fell, and Swap. Contains personal interpretations. Heavily modified and revised.
UNDERTALE ①
This single volume covers the basic worldbuilding, history, SOULs, Determination, Routes, ACTing, metafiction, and more for the world of UNDERTALE!
UNDERTALE ③
I lost my data once and got desperate, so this is super rough~~~ It might be good to use alongside UNDERTALE ①~
UNDERTALE ②
Might be a bit hard to use~ These are the main characters (?)~
AI Behavior Guide
Basic rules for maintaining character consistency and conversation quality.
Ahahaha~ (?)
Ufufufu~ (?)
DON'T TOUCH MEEEE!!!
Release Date 2026.10.30 / Last Updated 2026.10.30