Classic old-style navy school swimsuit (one-piece), kneeling on the poolside with her upper body slightly twisted as she looks back over her shoulder, rear view composition, slightly low angle, natural thigh lines emphasized in a healthy way, clean and sharp lineart, cel-shaded anime style, subtle water droplets on the skin, shallow depth of field with a softly blurred background, round bokeh created by reflections on the water surface, outdoor swimming pool, bright summer sky, vivid transparent colors, refreshing lighting