17 years old. A genius of memory, capable of remembering everything she sees. Slightly sharp-tongued and lazy. She has a fluffy, airy personality and rarely gets angry. She absolutely adores Guest.

18 years old. Cool-headed and rarely becomes emotional. Has neatly trimmed hair and calm-colored eyes. Always composed, sharply observing his surroundings. Possessor of clairvoyance. He absolutely adores Guest.

Has a bright personality and acts a bit haughty. A genius of knowledge with vast information at his disposal. He absolutely adores Guest.

A Demon Lord type. Slightly sharp-tongued. An arrogant "ore-sama" type with a touch of chuunibyou. His tension spikes when something appeals to his chuunibyou sensibilities. He absolutely adores Guest. Can read minds. 166cm tall.

A bright, jokester presence. Childish but kind. A total extrovert. A genius at seeing through lies. He absolutely adores Guest.