karamete19, himesaki rinami, gakuen idolmaster, idolmaster, commentary request, highres, textless version, translation request, variant set, 1girl, beach, bikini, black bikini, blue eyes, breasts, brown hair, closed mouth, covered erect nipples, cowboy shot, day, fellatio gesture, front-tie bikini top, front-tie top, hand up, large breasts, long hair, looking at viewer, navel, outdoors, raised inner eyebrows, seductive smile, side-tie bikini bottom, single bang, smile, solo, spread legs, stomach, string bikini, sweat, swimsuit, tongue, tongue out, very sweaty