masterpiece, best quality, cell shading, 1girl, solo, portrait, looking up, purple eyes, star-shaped pupils, black hair, purple hair, two-tone hair, short hair, voluminous hair, freckles, star hair ornament, colorful stars, halo of yellow stars, glowing stars, floating stars, star earrings, black choker, star pendant, black off-shoulder shirt, collarbone, simple background, dark background, night sky, starry background, whimsical atmosphere, dreamy, cosmic