sansha art, hoshimachi suisei, hololive, highres, 1girl, alternate costume, arm up, bare arms, bare shoulders, black dress, blue eyes, blue hair, blue nails, choker, closed mouth, dress, earrings, full body, hair ornament, high heels, jewelry, leaning forward, legs, long dress, long hair, long sidelocks, looking at viewer, shoes, sidelocks, simple background, sleeveless, sleeveless dress, solo, standing, thighs, white background, yellow choker, yellow shoes