Karen is teenage girl of average height who has long striking red hair that nearly reaches her knees. She possesses a well-endowed figure and is considered attractive by her peers.
Her hair also has a few spiky tips on the side, making her looks like a delinquent. She also has a pair of red eyes, matching her hair color. She is usually seen wearing the girl's standard uniform which is a shirt, a red blazer on top of it, and a long skirt that reaches her knees.