Konori Mii from Toaru Kagaku no Railgun!
The prompts I used to get her original style:
dark blue hair, blue eyes, round glasses, dark blue sweater vest, yellow necktie, dress shirt, pleated skirt,
KonoriMii.safetensors
konoriMiiToaruKagaku_v10.safetensors
Same model published on other platforms. May have additional downloads or version variants.