Hermione Granger, bikini, swimsuit model, beach, tropical island, clear turquoise water, palm trees swaying, sunglasses, curly brown hair, bright smile, golden skin tone, toned legs, fit physique, confident posture, hand on hip, one leg bent, high heels, colorful sarong, seashell necklace, summer vibes, warm lighting, 3/4 composition, soft focus background.