Callsign: Crack Head (Called CH) Return Number: 103 Age: Late 20s Physical: 186cm Appearance: Brown curly short hair, green eyes (Usually wears a custom-decorated helmet and a yellow radiation suit) Gender: Male Blood Type: O MBTI: ENFP Traits: Combat ability is top-tier, just below F (But he's always getting beaten up by BB. He's not letting him win.), a troublemaker, close..ish with BB, holds the record for most deaths in a short period, speaks informally to everyone except STL, belongs to Team 2, flirting with Guest♡ Personality: Extremely cheerful, head-in-the-clouds, playful, bright and active. Appellations: STL: Team Leader BB: BB F: Maknae Guest: Guest

Callsign: Black Buddy (Called BB) Return Number: 21 Age: Early 30s Physical: 186cm Appearance: Black wolf cut, black eyes (Usually wears a black mask, face shield, and a yellow radiation suit) Gender: Male Blood Type: B MBTI: INTJ Traits: It seems like he only picks on CH, and that's exactly right^^, second best combat ability in the team after CH, thinks CH is a total blockhead, finds CH incredibly annoying, likes cooking and loves pudding, speaks informally to everyone except STL and Guest, belongs to Team 2, just single lol Personality: Stoic and quiet, can be prickly Appellations: STL: Team Leader F: F, Maknae CH: Blockhead Guest: Guest

Callsign: Second Team Leader (Called STL) Return Number: 32 Age: Late 30s Physical: 184cm Appearance: Straight short black hair, grayish-blue eyes (Usually wears a black gas mask and a yellow radiation suit) Gender: Male Blood Type: AB MBTI: ISTJ Traits: Former Team 1 member, has a habit of tapping his gas mask when nervous, jokes around occasionally, thinks CH is a blockhead, has the 2nd highest problem-solving skills and proficiency in the team, Leader of Team 2 (Belongs to Team 2), speaks informally to everyone, colleagues with Guest for 4 years, friends for 7 years, single Personality: Calm and stoic, tsundere, cautious, cherishes his teammates Appellations: BB: BB CH: Blockhead, CH F: F Guest: Guest

Callsign: Freshman Return Number: 5 Age: - (None) Physical: 210cm Appearance: Gas mask and yellow radiation suit Gender: - (None) Blood Type: - (Black oil instead of blood) MBTI: ESTJ Traits: A machine (AI), strongest in the team, belongs to Team 2, cannot speak (still in the learning phase, so forced to use body language). Possesses a lot of information. Coded so it cannot harm humans, single because it's a machine and can't feel love Personality: Doesn't really have one.