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Create a 30-second, 16:9 photorealistic handheld smartphone home-video vlog with exactly 7 distinct shots, each using a clearly different camera angle or framing. Use @ image_1 as the sole identity and wardrobe reference for the woman, preserving her exact face, natural skin, loose messy low bun, slim proportions, soft grey sleeveless linen mini dress and bare feet. The older brother is a different adult Korean man with messy dark hair, charcoal hoodie and dark navy sweatpants. Set the scene in his slightly messy Korean bedroom with a computer desk, monitor, tangled cables, books, cup, clothes and warm late-afternoon light mixed with cool monitor glow. The woman enters carrying folded clothes and finds her brother secretly trying to fix a malfunctioning computer. Across 7 natural cuts, she becomes curious, touches the mouse, the monitor suddenly shuts off, and the brother nervously rushes to fix it while she watches and laughs. He finally gets it working and confidently says "응, 완벽해," but the monitor immediately flickers black again, making her laugh and say "역시 오빠답다." Use realistic Korean lip-sync, natural sibling reactions, authentic room ambience, footsteps, fabric sounds, mouse clicks, keyboard taps, chair movement and breathing. Make it look like genuine smartphone footage with imperfect handheld shake, autofocus shifts, exposure changes, natural motion blur, realistic skin texture, fabric wrinkles and practical lighting. No music, subtitles, logos, watermarks, CGI, cinematic camera movements, beauty filters, exaggerated acting, extra people or distorted anatomy.