Shinyu from the Manga Mankitsu Shita Jouren-san manga.
With only 2 chapter appearances so far, trained on an extremely limited dataset of manga croppings, with not enough full body shots, and it shows. Also, no color reference I'm aware of yet... so expect the model to be a bit crappy.
Trigger: Shinyu
Description: 1girl, hort hair, earrings, ear piercing, eyes visible through hair, shirt, collared shirt, skirt, grey skirt, necktie, red necktie, choker, school uniform, short sleeves, tanned, gradient hair, sneakers,
Alternatively, get rid of those colors and prompt Greyscale, Monochrome. Also, 50% of the training data is her in a Bikini.