1girl, d, adult_neptune, arm_behind_back, bare_legs, bare_shoulders, barefoot, beach, blush, breasts, cleavage, competition_school_swimsuit, covered_navel, day, dogoo, from_side, katade, leg_up, legs, legs_apart, long_hair, looking_down, medium_breasts, neptune_(series), no_hair_ornament, one-piece_swimsuit, outdoors, purple_eyes, purple_hair, school_swimsuit, sitting_on_animal, skin_tight, smile, solo, spread_legs, straddling, swimsuit, thighs, very_long_hair, water_drop, wet, wet_clothes, wet_hair, wet_swimsuit