1girl, asakura_toru, blue_one-piece_swimsuit, blush, bracelet, breasts, fingernails, idolmaster, idolmaster_shiny_colors, jewelry, kuuhaku_(pskf2372), light_purple_hair, looking_at_viewer, looking_to_the_side, medium_breasts, nail_polish, one-piece_swimsuit, school_swimsuit, solo, swimsuit, wading, water_drop