1girl, black_bra, black_eyes, black_hair, black_panties, blush, bow, bow_panties, bra, breasts, cleavage, closed_mouth, gin00, idolmaster, idolmaster_shiny_colors, long_hair, looking_at_viewer, lying, mayuzumi_fuyuko, medium_breasts, navel, on_back, panties, side-tie_panties, smile, solo, stomach, underwear, underwear_only