kazuma muramasa, ichinose shiki, idolmaster, idolmaster cinderella girls, commentary request, 1girl, :3, ahoge, blue eyes, blush, bow, brown hair, clothes down, coat, collar, covering one breast, covering privates, cropped legs, earrings, finger to cheek, from behind, hair bow, jewelry, lab coat, long hair, looking at viewer, looking back, naked coat, naked lab coat, open mouth, red bow, red collar, smile, solo, two-tone background, wavy hair