Hibari is a young woman of regular stature. She has light hair with bangs worn in a ponytail. Her Marine uniform consists of a military pocketed shirt that exposes her midriff, gloves, military boots and camo pants, with the latter's right side ripped to reveal striped leggings. She also wears headphones over her ears, a belt with heart-shaped buckles around her torso, and a backpack with a hanging teddy bear called "Kopy-senpai" (コピー先輩).