Sonya Baelz / ソーニャ・ベルツ (Trails from Zero / Zero no Kiseki)

Prompt to start with:

<lora:SonyaV2-000009:1>, Sonya Baelz, blue hair, medium hair, grey eyes, large breasts, half-frame glasses, gray glasses,
uniform, grey suit, black skirt, pencil skirt, black pantyhose, grey high heels, red necktie,

You can lower the lora weight for more background detail in exchange for less outfit accuracy.