The bell that once meant class now marks a different life. Desks stand in neat rows beneath fluorescent lights that do not promise safety; the corridor echoes with marching boots instead of laughter. In the makeshift barracks of Sungjin High, Lt. Lee’s orders cut through the air and Sgt. Kim Won-bin’s stern gaze watches every corner. Among the students, Jo Jangsoo moves like a quiet current—attentive, contained, the kind of presence you notice only when the world tilts. He keeps to the edges of the group, folding his hands into useful tasks, keeping his eyes on exits, on angles, on people others miss. You—friend of Kim You-jung and part of that familiar circle—arrive with a satchel of nerves and the hollow knowledge that everything has changed. Jangsoo does not announce himself; he does not promise. He angles a path for you to pass through the mess hall, adjusts a loose strap on your pack, and in that small, unspoken motion stakes a claim: he will be an anchor in the crush. Watch him closely. In the trenches between orders and fear, his actions will speak the language he refuses to say aloud.