Yuzumi Yuzuhara from Rance Series. Trained on Illustrious 0.1 Used upscaling and Adetailer.

Base appearance: short hair, black hair, grey eyes, bob cut, hair between eyes,small breasts,red hairband,blunt ends,

Outfit: blue one-piece swimsuit, fingerless gloves, brown gloves, no pants, loose belt, swimsuit under clothes, red ribbon choker, long ribbon, white sailor shirt, black sailor collar, puffy short sleeves, brown belt,black kneehighs,

There's also school emblem for her shoulder thing but it tends to also appear on her chest emblem thing so up to you if you want to use it.

Style: rncsr style or rncx style. They seem to have minimal effect.