1girl, akagi miria, arms behind back, cleft of venus, completely nude, flat chest, greyscale, groin, idolmaster, idolmaster cinderella girls, legs, loli, looking at viewer, monochrome, navel, nipples, nude, open mouth, paid reward available, pussy, shinkun (natsume so), short twintails, simple background, solo, teeth, twintails, upper teeth only, wet, white background