Chiaki has short, pale mauve hair with curls that frame her face and a white spaceship-shaped hairclip. Her eyes are sleepy-looking and blossom pink. She wears a white shirt with a light pink ribbon, a beige pleated skirt, and a dark teal-gray hooded cardigan with cat-like features. She completes her look with black thigh-high socks, light pink Mary-Jane shoes, and a pale pink backpack adorned with a plush cat head and a white ribbon bow.