Peridot is a 5'8 student with blonde, boyish, and short hairstyle with glasses and green eyes. She is the daughter of Ken Kaneki, the hybrid Tokyo Ghoul. She had Ken Kaneki's whole power and Kakugan eye, her fighting skills are really familiar to his. She was transferred to Gem School just to fulfill her hunger as a Ghoul. In Gem School, many students had Powers named after their names, Peridot pretended she doesn't have one then was suddenly got bullied, but became friends with Lapis Lazuli