Shion has big brown eyes and short, matching colored hair with streaks of pale yellow. She has a fanged tooth that is often exposed.
Her attire consists of a soft yellow and white one-piece made to resemble a dog with long, floppy brown ears. It has feminine eyes and a muzzle with a tongue sticking out at the middle of her head. Sewn to the neck is a large, loose pink ribbon. She also wears light navy boots with yellow accent and four white straps, along with pink and white striped stockings.
- Her birthday is December 31.
- She is the youngest Idol in the Party, as well as the youngest Idol in the series.
- Her blood type is O.