1girl, adapted_costume, aqua_eyes, ass, bad_pixiv_id, barefoot, between_toes, bikini, blonde_hair, feet, foreshortening, from_behind, hair_down, hair_ornament, hololive, kazama_iroha, kazama_iroha_(1st_costume), leaf_hair_ornament, looking_at_viewer, looking_back, lying, on_stomach, parted_lips, ribbon, smile, soles, solo, sunano_reona, swimsuit, toenails, toes, virtual_youtuber