This is Akane from Neverness to Everness. This includes all her outfits when she is introduced in game version 1.4.

Her base prompt:

ak4n3, medium breasts, blonde hair, long hair, ahoge, one side up, red eyes,

Her guitar:

holding instrument, electric guitar,

Rhythm in Motion:

pleated skirt, blue skirt, sweater around waist, torn pantyhose, white shirt, shirt tucked in, black choker, jacket around waist, black footwear, black pantyhose, hair ornament, short sleeves, school uniform, blue necktie, collared shirt, arm warmers, black hairband,

Cozy Velvet:

black dress, off-shoulder sweater, thighhighs, hair bow, red choker, red sweater, star hair ornament, cropped sweater, off shoulder, black pantyhose, long sleeves, star (symbol), red hairband, polka dot bow, bare shoulders, spaghetti strap, thigh strap, black bow, red bow, contrapposto, frills, thighband pantyhose, short dress, collarbone, hairclip, frilled dress,

House Special:

blue pants, white shirt, navel, black choker, denim, midriff, hair ornament, jeans, shoes, tied shirt, short sleeves, black hairband,

Off the Clock:

headphones around neck, ponytail, black shirt, short shorts, bra strap, hair ornament, short sleeves, print shirt, hair scrunchie, dolphin shorts, off-shoulder shirt, t-shirt, black hairband, off shoulder,

Shining Idol:

fingerless gloves, red skirt, black thighhighs, black jacket, red necktie, black choker, single thighhigh, black gloves, navel, black belt, cropped jacket, open jacket, midriff, strapless, garter straps, open clothes, asymmetrical legwear, long sleeves, tube top, bare shoulders, socks, miniskirt, single sock, pleated skirt, panty straps, shoulder cutout, black hairband,