1girl, adapted_costume, aqua_eyes, blonde_hair, chest_sarashi, eyewear_on_head, hololive, jacket, kazama_iroha, kazama_iroha_(1st_costume), navel, open_clothes, open_shorts, outdoors, piyottorabitto, ponytail, sarashi, shorts, sunglasses, swimsuit, swimsuit_under_clothes, virtual_youtuber, wading, water, white_jacket