1girl, d, aqua_eyes, aqua_hair, aqua_nails, beach, bikini, breasts, flower, full_body, hair_flower, hair_ornament, hand_up, hatsune_miku, hibiscus, knees_up, lingshalan, long_hair, looking_at_viewer, lying, medium_breasts, on_back, open_mouth, outdoors, red_flower, smile, solo, starfish, strap_gap, striped, striped_bikini, swimsuit, thighs, twintails, very_long_hair, vocaloid, water