1girl, d, alternate_costume, amano_hina_(tenki_no_ko), bare_arms, black_hair, blue_eyes, breasts, competition_swimsuit, covered_navel, goggles, goggles_around_neck, higashi_ringo, medium_breasts, one-piece_swimsuit, open_mouth, pool, sitting, smile, solo, swept_bangs, swimsuit, tenki_no_ko, unworn_swim_cap