a1 (initial-g), hanami ume, gakuen idolmaster, idolmaster, commentary request, highres, 1boy, 1girl, areola slip, armpits, bare shoulders, bikini, blush, breasts, brown eyes, brown hair, bulge, cleavage, collarbone, covered erect nipples, day, erection, erection under clothes, from below, hair bun, hetero, large breasts, micro bikini, navel, open mouth, outdoors, outstretched arms, partially visible vulva, revealing clothes, single side bun, smile, solo focus, spread arms, spread legs, stomach, swimsuit, torso grab, wet, white bikini