Static camera, completely locked-off shot. No camera movement, no zoom, no pan, no tilt. AT THE ...

Static camera, completely locked-off shot. No camera movement, no zoom, no pan, no tilt. AT THE BEGINNING OF THE SHOT: The adult man is NOT visible anywhere in the frame. Only the boy and the girl are visible, sitting together on the balcony exactly as in the original scene. The boy and the girl look at each other and laugh naturally and quietly. They are relaxed and amused. Their laughter is genuine but subtle, with small natural facial expressions, slight shoulder movement and realistic body micro-movements. A gentle summer breeze softly moves their hair. Individual loose strands sway naturally in the wind. THEN: After a short moment, an adult man suddenly walks into the foreground from inside the apartment and stops between the camera and the children. He enters naturally from outside the frame. His body partially blocks the view of the children, matching the foreground position shown in the reference image. The moment the man appears, both children immediately notice him. Their laughter stops. The boy and girl quickly turn their heads toward the man and look upward at him. Their expressions change naturally from amusement to fear and surprise. Their eyes widen slightly, their faces become tense, and their bodies freeze for a moment. The fear must be subtle and realistic, NOT exaggerated, theatrical or horror-like. They look like two children who have suddenly realized they have been caught doing something forbidden. The adult man remains standing in the foreground with his back toward the camera. His face is NEVER visible. IMPORTANT: The adult man must NOT exist in the frame at the beginning. He enters the frame ONLY AFTER the children have been laughing together. The children initially look ONLY at each other. They turn toward the man ONLY when he enters. Their laughter stops immediately when they notice him. The man does not appear magically or fade in. He physically walks into the foreground from outside the frame. Keep the camera perfectly stationary for the entire shot. Gentle wind continues moving the children's hair. No additional people. No dialogue or lip-sync. No exaggerated reactions. Preserve the original balcony, lighting, characters, clothing, composition and photorealistic cinematic appearance.