1girl, ass, back, bikini, black_bikini, black_choker, blue_sky, blurry, blurry_background, brown_hair, choker, closed_mouth, earrings, evening, floral_print, frilled_bikini, frills, from_behind, hair_ornament, hairclip, higuchi_madoka, hood, hoodie, idolmaster, idolmaster_shiny_colors, jewelry, long_sleeves, mole, mole_under_eye, ocean, off_shoulder, outdoors, print_bikini, purple_eyes, short_hair, simoumi_217, sky, solo, spiked_choker, spikes, standing, swept_bangs, swimsuit, triangle_earrings, wet, wet_hair, white_hoodie