Two young boys, one with white hair and one with spiky black hair, sit across from each other by a campfire at night, with the white-haired boy saying, "You were my first friend." The scene transitions to them sitting on a train, where the black-haired boy speaks to the white-haired boy, who then looks away with a determined expression, saying, "I won't say another word." The sequence continues with the white-haired boy shouting, "Are you an idiot?!" as he is propelled backward by an explosion. The final scenes show the two boys in a dark, chaotic environment, with the black-haired boy reachin