1girl, :o, armpits, arms_up, asakura_ageha, bare_arms, bare_shoulders, barefoot, blonde_hair, blue_one-piece_swimsuit, blush, breasts, brown_eyes, butterfly_hair_ornament, cloud, collarbone, commentary_request, competition_swimsuit, covered_navel, hair_ornament, large_breasts, looking_at_viewer, medium_hair, one-piece_swimsuit, open_mouth, outdoors, ryouma_(galley), sitting, solo, swimsuit, thighs, water, yumeochi_-_yume_de_bokura_wa_koi_ni_ochiru