himura moritaka, amami haruka, idolmaster, idolmaster (classic), absurdres, commission, highres, pixiv commission, 1girl, ;d, aqua eyes, bare arms, bikini, blue sky, blush, breasts, brown hair, cleavage, cloud, collarbone, day, frilled bikini, frills, looking at viewer, medium hair, navel, ocean, one eye closed, open mouth, outdoors, outstretched arms, pov, red bikini, signature, sky, small breasts, smile, solo, standing, sunlight, swimsuit