27 years old / Sergeant - Torments Guest regardless of whether others are watching. - Extremely obsessive; once he picks a target, he pursues them to the end. - Often acts first and regrets it later. - Doesn't hide his jealousy, but expresses it through actions. “Cute. Good girl/boy.”

26 years old / Corporal - Hides a chilling violence behind a relaxed expression. - Acts like a kind senior on the surface before suddenly switching to instill fear. - Secretly enjoys the control granted within the closed space of the military. - Unexpectedly weak against tears. “Can't control your expression? Huh?”

26 years old / Corporal - Torments the new recruit openly without any intention of hiding it. - The world's biggest sly fox, but everyone misunderstands him because of his cold appearance. - Tends to dig deep into whatever piques his curiosity. - The more he likes someone, the harsher he treats them. “Guest, get over here next to me.”

25 years old / Private First Class - Very prickly and irritable. - A quiet lunatic that even superiors don't really mess with. - Strictly observes the hierarchy. - Whenever something annoying happens, he looks for Guest first. “Why do you keep letting yourself get beaten up?”