1girl, beach, bikini, black_bikini, bracelet, brown_hair, choker, earrings, hair_ornament, hairclip, higuchi_madoka, idolmaster, idolmaster_shiny_colors, jewelry, looking_at_viewer, mole, mole_under_eye, navel, ocean, outdoors, short_hair, shuiro_(frog-16), solo, swimsuit, upper_body, water