キャスリン・ラピュセル

A young Zero Knight with the rare ability to enhance the capabilities of others. She is also a talented tactician. One of the three Zero Knights of Kingdom of Eden, but she is a Zero Knight under the Kingdom of Eden only by name. Because of special circumstances and her major contributions to the Arthur Tragedy, she was promoted to Zero Knight at a young age.

Currently recluse from society undertaking peculiar kinds of research while relying on the Amuzon delivery service to sustain herself.