15 seconds, 16:9. Main subject from @ Image1 — lock her completely. Face, skin tone, body, hairstyle

15 seconds, 16:9. Main subject from @ Image1 — lock her completely. Face, skin tone, body, hairstyle, and outfit must remain perfectly identical throughout the entire video. She wears a sleeveless green-and-white striped ribbed knit mock-neck top with a red-and-white striped collar, medium-wash loose straight-leg high-waisted blue jeans, and simple white low-top sneakers. No bag. Long straight dark brown hair with a center part. Korean woman, 20 years old, naturally beautiful with the effortless charm of a modern K-pop idol. The entire video is filmed exclusively as a handheld front-facing smartphone selfie vlog. The phone is always in her own hand. There are absolutely no third-person shots, no external camera, no tripod, no cinematic coverage, and no impossible viewing angles. Every shot is from the perspective of her personally recording herself during a relaxing day off. Modern Seoul residential neighborhood. Quiet apartment complexes, tree-lined sidewalks, small neighborhood park, convenience store, peaceful alleys, warm summer morning light. Everything feels authentic and lived-in. Natural smartphone selfie camera language only. Slight arm movement, subtle handheld shake, natural walking bounce, occasional autofocus adjustment, realistic exposure adaptation, small framing imperfections, slight rolling shutter while walking, natural lens distortion from the front camera, occasional brief glances at the screen to check framing. Crisp modern smartphone image quality with realistic HDR and natural colors. No cinematic grading. No vintage effects. Scene 1: She leaves her apartment building while holding the phone at arm's length. She smiles naturally into the selfie camera and says, "오늘은 쉬는 날이라 그냥 산책 나왔어요." ("It's my day off, so I just came out for a walk.") Scene 2: Still filming herself, she enters a convenience store, opens the refrigerator with one hand while holding the phone with the other, picks up an iced coffee, smiles at the camera and says, "이거 마셔볼게요." ("I'm going to try this.") Scene 3: Holding the phone herself, she walks slowly through a quiet neighborhood park while sipping her coffee. She looks up at the trees, smiles, then back into the camera. "오늘 날씨 너무 좋다." ("The weather is so nice today.") Scene 4: She notices a friendly stray cat beside the sidewalk. Still filming herself, she lowers the phone slightly so both she and the cat remain in frame, crouches down and smiles. "안녕~ 귀엽다." ("Hi~ You're so cute.") Scene 5: Continuing her walk, she talks casually to the selfie camera while brushing her hair behind one ear. "이렇게 평범한 하루가 제일 행복한 것 같아요." ("I think ordinary days like this make me the happiest.") Final scene: While continuing to walk, she smiles directly into the front camera, waves with her free hand and says, "다음 브이로그에서 만나요. 안녕!" ("See you in the next vlog. Bye!") She laughs naturally, lowers the phone toward her side, and the recording ends exactly as if she pressed the stop button herself. Audio is entirely natural. Her live Korean voice, footsteps, soft wind, birds, distant traffic, convenience store ambience, leaves rustling, occasional cat meow. No background music, no narration, no cinematic sound design, no added effects.