puton, puton (pixiv106438), kikuchi makoto, idolmaster, idolmaster (classic), idolmaster 1, 00s, 1girl, antenna hair, ass, back, barefoot, bikini tan, breasts, brown hair, dark-skinned female, dark skin, feet, female focus, flat chest, from behind, full body, kneeling, nude, outstretched hand, reaching, short hair, simple background, sitting, small breasts, soles, solo, sweat, sweatdrop, tan, tanline, wariza, white background