bete noire

French, literally for black beast; also referred to also as bugaboo. A term collectively used for extremely smart, and beautiful dark haired girls that lack the ability to be nice for extended periods of time under normal circumstances.

some pink demon child from glitchtale who hates monsters

yet got killed by a monster
How ironic.
That monster got extremely pissed and enraged and killed bette in seconds

pink demonic child with extreme xenophobia towards monsters. it was made when someone killed a child and used her own soul to make a killing machine with the dead kid's body. it's powerful enough to survive a literal laser hot enough to punch a hole through a building.
it's name means black beast in french

French for Black beat, A person who desires to be feared or disliked by others. Most times a pink demon child who laughs creepily a lot will be a bête noire.

The supposed antagonist with a little adorable orb for a friend named kumu from the popular undertale A.U. glitchtale.
Bete’s main trait is fear and her partner kumu is half of her soul