Video prompt: Dynamic 4K UHD video, 8s, 60fps, loopable, med...

Video prompt: Dynamic 4K UHD video, 8s, 60fps, loopable, medium shot, vertical composition, cool Japanese teenage boy in black hoodie with traditional wave pattern, ripped jeans, white sneakers, red bandana on wrist, standing in vibrant Tokyo Harajuku: colorful street art, fashion boutiques with bold signs, trendy passersby, cherry blossom trees lining street. Dynamic details: He slowly adjusts his hoodie, skateboard at his feet, friends laughing in background, cherry petals falling gently, a street performer playing guitar. Lighting: Bright afternoon sunlight, vibrant colors, high contrast, sharp details on hoodie wave pattern and skateboard, no text, no watermark. Style: Trendy, youthful, dynamic aesthetic, focal point on boy’s cool style and vibrant street scene. --ar 9:16 (Vertical, 1080x1920, YouTube Shorts standard) Audio prompt: YouTube Shorts optimized audio. Background music: Upbeat, modern Japanese pop-rock music with traditional shamisen accents, high volume (55-65%), loopable, no copyright, perfect for trending Shorts. Sound effects: Skateboard wheels rolling on pavement (distinct, synced), distant friends laughing, street performer’s guitar strumming, cherry petals falling (faint rustle), perfectly synced with video dynamics, amplified for vertical immersion, no distracting noise.