cai geng, satake minako, idolmaster, idolmaster million live!, commentary request, highres, large variant set, variant set, :p, arm under breasts, blue eyes, blue skirt, blush, bottle, breasts, brown hair, covered erect nipples, crossed legs, door, hair down, holding, holding bottle, indoors, jar, lactation, lactation through clothes, large breasts, lattice, long sleeves, looking at viewer, official alternate hairstyle, round eyewear, round window, shelf, shirt, sitting, skirt, thighs, tongue, tongue out, underboob, white shirt, window