Hoshi Oinku, idol girl, sparkly eyes, sweet smile, curly blonde hair, cute dimples, pastel pink off-shoulder dress, fluffy layered skirt, white knee-high socks, pink sneakers, holding a microphone, standing on a colorful stage, Tokyo streets, city lights, night scene, crowd cheering in the background, soft focus, vibrant colors, idol lighting, wide-angle shot, shallow depth of field.