A ground-level position completely flush with the ground, an extreme ultra-low angle shot from the worm's-eye view looking up from the lower back side of the subject. The floor surface is expanded with an 8mm fisheye lens-level ultra-wide-angle distortion, and the upper body is far from the camera, with the head and face expressed very small. The arms reaching for the sky and the arched spine, the entire body leaping towards the vanishing point in a dramatic three-point perspective. A full-body back three-quarter view of a petite 150cm Korean junior high school girl. Short red bob cut hair, wearing a large hot pink ribbon hairpin. Blue hard court floor. A dynamic pose tossing a hot pink tennis ball high into the air for a tennis serve, with the left hand stretched high into the sky. In the backswing stage just before impact, the right hand firmly grips the racket handle, the right elbow is raised high towards the sky, and the right hand is dropped from behind the head and back to grasp the racket. A pink custom tennis racket, with the handle at the top and the head facing the floor in the right hand. An upper body leaning back pose, with a hot pink cropped top in the shape of crossed strings. Slim limbs. Slightly in mid-jump, with both feet slightly off the ground. Leg movements for a powerful serve. Hot pink sports braces on both wrists. Head tilted upwards, looking up at the ball above. Wearing hot pink leggings with a slight spandex sheen, covering both the hips and legs. A large, hip-up silhouette with emphasized butt volume. The sole and heel of a hot pink high-top chunky platform athletic shoe, placed in the position closest to the floor lens (right in front of the camera), are geometrically exaggerated and emphasized in distortion. Outdoor sunlight and wind. Strong rim light and dramatic lens flare effects on the full-body outline due to the low sun from the side backlight. High-quality realistic photography, cinematic lighting, clear details, and natural skin texture.