1girl, aketa_mikoto, alternate_costume, ame_(uten_cancel), armpits, black_bra, blush, bra, breasts, brown_hair, gradient_hair, idolmaster, idolmaster_shiny_colors, lace-trimmed_bra, lace_trim, light_brown_hair, looking_at_viewer, looking_to_the_side, medium_breasts, multicolored_hair, sideboob, solo, underwear, underwear_only