1girl, ;d, armpits, arms_up, beach, beads, bikini, breasts, frilled_bikini, frills, hair_ribbon, idolmaster, idolmaster_shiny_colors, long_hair, looking_at_viewer, navel, nori_chazuke, ocean, one_eye_closed, outdoors, presenting_armpit, purple_eyes, ribbon, smile, swimsuit, twintails, yukoku_kiriko