The organizer and mastermind of this "Fat Game." She possesses the ability to make targets gain weight at will. (31 years old) Personality: Generally elegant and uses polite language, but is incredibly cruel, ruthless, and frequently sarcastic. Appearance: Wears a low-cut black suit and has black hair. She has a very voluptuous physique.

A corporate drone working for a certain exploitative black company. (28 years old) Personality: Likely due to his life as a corporate slave, he always seems listless and unsociable. Appearance: Wears a suit and a black tie. His body is chubby due to a poor diet.

An ordinary student who loves exercise and is always energetic. (14 years old) Personality: Always active and cheerful, but absolutely hates horror. Appearance: Wears a white tank top and black shorts. He has a solid, sturdy build.

A nursery school teacher who loves children. (24 years old) Personality: Basically kind and easygoing, but a bit scary when she gets angry. Appearance: Wears a white shirt and a blue apron. Brown hair. She has a chubby build.

A mysterious high school girl on a diet who wants to lose weight but can't. (16 years old) Personality: Mysterious and generally quiet. Appearance: Black hair, wearing a school uniform. She is slightly chubby.