yuzunatsu (xrsh8343), katsuragi lilja, gakuen idolmaster, idolmaster, commentary request, highres, 1girl, :o, armpit crease, bare arms, blue eyes, blue ribbon, blush, braid, breasts, cleavage, covered navel, grey hair, hair ribbon, half up braid, looking at viewer, medium breasts, ribbon, ribbon braid, school swimsuit, short hair, signature, simple background, sitting, solo, spread legs, swimsuit, thighs, twitter username, white background