1boy, ahoge, akizuki ryo, balloon, belt, blue necktie, blue sky, brown eyes, brown hair, clenched hand, cloud, fingernails, hand on own chest, hat, hood, hoodie, idolmaster, idolmaster side-m, idolmaster side-m growing stars, male focus, midriff, navel, necktie, official art, outdoors, sky, smile, third-party source, undershirt, white belt, white headwear, wristband