Kasumi Otonashi (音無香澄) from the series Love EDUCATE. Serialized in Comic EXE with art by KS.

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Base prompt:

brown hair, long, hair, hair between eyes, hairclip, blue eyes, huge breasts,

Outfit:

teacher outfit, white shirt, collared shirt, sleeveless, black necktie, black choker, black skirt, pleated skirt, pantyhose, black high heels