1girl, ahoge, bikini, bracelet, breasts, cleavage, collarbone, hair_between_eyes, heart, heart_print, idolmaster, idolmaster_cinderella_girls, idolmaster_cinderella_girls_starlight_stage, jewelry, large_breasts, lying, o-ring, o-ring_bikini, on_back, parted_lips, pink_hair, red_eyes, short_hair, solo, swimsuit, tsu-an, underboob, upper_body, white_bikini, yumemi_riamu