1girl, ahoge, aqua_eyes, arm_up, armpits, asakura_toru, bare_shoulders, bikini, black_hair, blue_hair, breasts, earrings, film_grain, gradient_hair, idolmaster, idolmaster_shiny_colors, jewelry, looking_at_viewer, masuku_(saint_mask), medium_breasts, multicolored_hair, navel, necklace, ocean, outdoors, short_hair, solo, stomach, swimsuit, twilight, wet