1girl, alternate_costume, black_bra, black_hair, blunt_bangs, blush, bra, breasts, cleavage, collarbone, hamiro, idolmaster, idolmaster_shiny_colors, long_hair, looking_at_viewer, mayuzumi_fuyuko, medium_breasts, navel, sideboob, simple_background, smile, solo, starry_background, stomach, underwear, underwear_only, upper_body, very_long_hair