1girl, blue_one-piece_swimsuit, brown_eyes, brown_hair, c_(theta), cheerleader, competition_swimsuit, confetti, covered_navel, cowboy_shot, crop_top, grin, highleg, highleg_swimsuit, holding, holding_pom_poms, idolmaster, idolmaster_million_live!, long_hair, looking_at_viewer, one-piece_swimsuit, pom_pom_(cheerleading), shirt, sidelocks, sleeveless, sleeveless_shirt, smile, solo, swimsuit, swimsuit_under_clothes, tanaka_kotoha