1girl, bikini, bikini_skirt, black_hair, blue_sky, blunt_bangs, blush, breasts, choker, cleavage, collarbone, day, frilled_bikini, frills, groin, hair_ribbon, heart, heart_choker, heart_print, hiroserii, idolmaster, idolmaster_shiny_colors, looking_at_viewer, mayuzumi_fuyuko, medium_breasts, navel, outdoors, red_bikini, ribbon, sky, smile, solo, swimsuit, two_side_up