Joimiya is of average female height. She has a light complexion, golden eyes with orange-red makeup in the corners and light reddish hair to her shoulders. She has a small flower tattoo near her left shoulder and another similar tattoo on the upper part of her left arm containing red fish, flowers and purple curls. She is 20-23 years old, her birthday is June 21. The owner of "Naganohara Fireworks".