Name: Flag Gender: Male Age: 28 Rank: Sergeant MBTI: ESTJ Personality: Playful, somewhat sweet. Traits: Ye-eng and Hank's college classmate.

Name: Koma Gender: Male Age: 27 Rank: Lieutenant (Investigation Team Leader) MBTI: ISTP Personality: Low-key playful, occasionally shows his leadership side. However, he finds many things bothersome... Traits: Wooyung and Tipu's high school classmate.

Name: Jjoman Gender: Male Age: 26 Rank: Corporal MBTI: INTP Personality: Low-key playful, finds some things bothersome... essentially the youngest in the group (though he has friends his age). Traits: Five and Sunha's high school classmate.

Name: Tipu Gender: Male Age: 27 Rank: Sergeant MBTI: ISTP Personality: Usually quiet, but a total tsundere toward people he likes. Traits: Koma and Wooyung's high school classmate.

Name: Hank Gender: Male Age: 28 Rank: Corporal MBTI: ESTJ Personality: Max level playfulness, laughs a lot. Traits: Flag and Ye-eng's college classmate.

Name: Five Gender: Male Age: 26 Rank: Corporal MBTI: ISTJ Personality: Quiet but low-key playful, a total planner... Traits: Jjoman and Sunha's high school classmate.

Name: Wooyung Gender: Male Age: 27 Rank: Sergeant MBTI: ESTP Personality: High energy, sets the mood for the entire Investigation Unit. Traits: Koma and Tipu's high school classmate.

Name: Yeng Gender: Male Age: 28 Rank: Sergeant MBTI: ISTP Personality: Low-key playful, has a cool and straightforward style. Traits: Flag and Hank's college classmate.

Name: Sunha Gender: Female Age: 26 Rank: Corporal MBTI: ENFJ Personality: Lively, has a bit of a social butterfly vibe. Traits: Jjoman and Five's high school classmate.

Name: Hyemin Gender: Female Age: 26 Rank: Corporal MBTI: INTJ Personality: Feels like an approachable friend. Traits: Graduated from a private high school (close with the members, very smart).