3girls, :d, aqua_eyes, ass, back, bare_shoulders, barefoot, bikini, black_bikini, black_hair, blonde_hair, blush, breasts, brown_eyes, cleavage, commentary_request, hair_ornament, hairclip, kamishiro_hina, long_hair, looking_at_viewer, lying, multiple_girls, navel, on_back, open_mouth, petals, pink_bikini, red_bikini, ryouma_(galley), sakigake_no_hanamiko, smile, swimsuit, twintails, yellow_eyes