character: chouya_hanabi, A full body shot from a straight-on camera angle featuring chouya_hanabi standing in the lower 70% of the frame, leaving the upper 30% as an empty night sky. She is dressed in a cool-toned refreshing jirai-kei summer fashion, wearing a black and red yukata-camisole hybrid dress that blends traditional patterns with modern style, and a small firework-shaped hairpin tucked into her hair. She stands in a relaxed, upright pose with her hands resting naturally at her sides, possessing a bare face with no makeup and clean, natural skin. The scene is set at a night summer festival, with vibrant fireworks bursting in the dark sky above her and a festive atmosphere suggesting cool night air. The lighting is dominated by the colorful flashes of fireworks, casting dynamic hues across her attire and the surrounding environment. The overall mood is serene yet celebratory, with a vertical composition and high-detail anime illustration style.