taira tsukune, kikuchi makoto, idolmaster, idolmaster (classic), bad id, bad pixiv id, highres, 1boy, 1girl, :p, animal ears, barefoot, bikini, black hair, blue eyes, blush, cat ears, cat tail, food, hetero, holding hands, innertube, interlocked fingers, multicolored nails, multiple views, nail polish, nature, one eye closed, outdoors, shaved ice, short hair, sky, smile, swim ring, swimsuit, tail, tongue, tongue out, wink