traditional ecchi anime, full body, back view, wide dynamic view, distant attempt, medium smoky effect, masterpiece, HD8K quality, pop-idol, girl, long black hair, short bangs, bright blue eyes, thin pink lips, small bust and hips, slim body, elegant long legs, sexiest, head bow with a halo, blue sweater + white wings, red high-heeled shoes, microphone in hands, waving to the audience, excited on a stage, light show and fireworks in the background