This is Akari Kuroki from Black Joke manga by Rintaro Koike and Masayuki Taguchi. Specifically her later appearances in volume 8 and up with more complicated hair that never stay still. She has many outfits but I only specifically tagged three (from volume 8)

Trigger words and basic look:

akari_black_joke, short hair, black hair

Outfit:

babydoll dress, strappy heels

nurse outfit, nurse cap

open shirt

(A generic "gothic dress" may work too)

Optional:

large curved knives

Style:

traditional media, monochrome