1girl, alternate_costume, arms_behind_back, ass_visible_through_thighs, bikini, blue_bikini, blush, breasts, brown_hair, cleavage, collarbone, front-tie_bikini_top, front-tie_top, hairband, idolmaster, idolmaster_cinderella_girls, large_breasts, long_hair, looking_at_viewer, mashimaro_rinoa, navel, sagisawa_fumika, smile, solo, stomach, straight_hair, string_bikini, swimsuit