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A young man with black hair and a green and brown patterned haori looks down with a serious expression, then his face shifts to a wide, joyful smile as he raises a clenched fist. The scene cuts to a dark, underwater environment where a figure in a red and black outfit is falling or swimming downward. The sequence returns to the man, who now has a determined expression, before cutting to a close-up of a young woman with dark hair and a white face, who is smiling gently. The final shot shows the man again, now with a more intense, focused look. The setting alternates between a dimly lit, shadowy