Create an ultra-realistic adult female AI influencer, 22 years old, with long black hair, brown eyes, natural skin texture, and a stylish casual outfit. She is standing in a beautiful modern café, holding her smartphone and recording a selfie video. She looks directly into the camera, smiles naturally, adjusts her hair slightly, and says in a friendly, confident voice: "Hey guys! Welcome to my little world. I'm so excited to share my life with you!" Perfect natural lip-sync, realistic facial expressions, subtle human movements, authentic skin details, soft natural lighting, photorealistic appearance, no cartoon effects, no subtitles, no text, no watermark.