2girls, :o, asakura_ageha, ass, bare_arms, bare_shoulders, barefoot, black_hair, blonde_hair, blue_one-piece_swimsuit, blush, breasts, cleavage, closed_mouth, commentary_request, ear_piercing, foot_out_of_frame, knees_up, large_breasts, legs, looking_at_viewer, multiple_girls, official_art, omura_saki, one-piece_swimsuit, open_mouth, outdoors, piercing, ryouma_(galley), school_swimsuit, sitting, smile, standing, swimsuit, thighs, towel, yumeochi_-_yume_de_bokura_wa_koi_ni_ochiru