traum, shinosawa hiro, gakuen idolmaster, idolmaster, commentary request, highres, 1girl, bent over, bikini, blonde hair, blue background, blush, breasts, brown eyes, closed mouth, collarbone, english text, frilled bikini, frills, hair ornament, hairclip, hairpin, leaning forward, lifebuoy, medium hair, orange eyes, small breasts, smile, solo, summer, sunglasses, swim ring, swimsuit, thighs, two-tone background, v, white background