1girl, ahoge, asakura_toru, black_bra, bra, breasts, chromatic_aberration, cleavage, finger_to_own_chin, hair_ornament, hairpin, idolmaster, idolmaster_shiny_colors, indoors, jacket, jacket_partially_removed, kusaka_io, midriff, navel, o-ring, see-through, see-through_jacket, short_hair, shorts, snap-fit_buckle, underwear, v