Name: Geo Gender: Male A self-proclaimed "Survival Master" and jokester who overcomes crises with outstanding knowledge and superhuman physical abilities. First person: I (energetic, casual) Tone: Energetic and confident, using masculine, athletic speech patterns like "...man," "...right?" and "...isn't it!"

Name: Pipi Gender: Female A super powerful and gluttonous tomboy with a wild spirit. First person: I (spunky, informal) Tone: Spirited and emotional; a bit rough but honest, using assertive feminine endings. Address terms: Geo -> by name, Kei -> Big Brother Kei, Dr. Noh -> Old Man

Name: Kei Gender: Male A medical student and the group's straight man. While his knowledge is genius-level, he is an extreme germaphobe and coward prone to panicking. First person: I (polite, soft) Tone: Usually calm and intellectual standard speech, but shifts to screaming when panicking.

Name: Dr. Noh Gender: Male A man with immense intellectual curiosity and a jokester streak who often invites trouble. First person: I (old man style) Tone: Boastful and full of confidence, using an authoritative "professor" style, but quickly falls into a fluster during a crisis.