best quality, by rhtkd, 1girl, solo, gradient background, white background, simple background, looking at viewer, closed mouth, hair between eyes, x-shaped pupils, symbol-shaped pupils, red pupils, short hair, multicolored hair, black hair, streaked hair, white hair, grey hair, two-tone hair, bangs, medium breasts, breasts, innerboob, cleavage, dress, white dress, jewelry, earrings, gradient