A vibrant anime illustration captures a beautiful young girl in a medium shot, three-quarter view from a low angle, joyfully frolicking in the sparkling waves of a midsummer beach under a clear blue sky. She is a teenage girl with fair skin, long flowing black hair wet and tousled by the sea breeze, bright sparkling blue eyes, and a wide ecstatic smile revealing perfect white teeth. She wears a skimpy turquoise bikini with thin strings tied at her neck and hips, accentuating her slender athletic figure, ample bust, narrow waist, and toned legs glistening with water droplets. She leaps playfully forward with legs kicking up splashes, her left hand raised high waving excitedly while her right hand clutches a colorful beach ball, water streaming down her body. Pristine sandy beach with seashells and footprints stretches behind, gentle turquoise ocean waves crashing softly, distant sailboats on the horizon, palm trees swaying. Sunny golden hour lighting with lens flares and caustic light patterns on water, highly saturated blues and yellows, intricate details on skin textures, fabric creases, foam bubbles, and sand grains, conveying a exhilarating, carefree summer vibe of pure joy and freedom.