1girl, adapted_costume, akami770, aqua_eyes, beach, bikini, blonde_hair, breasts, cleavage, collarbone, fisheye, flip-flops, from_above, hair_between_eyes, hairband, halterneck, hololive, jacket, kazama_iroha, kazama_iroha_(1st_costume), long_hair, looking_at_viewer, medium_breasts, multi-strapped_bikini, ocean, one_eye_closed, open_clothes, open_jacket, open_mouth, outdoors, partially_submerged, sandals, side-tie_bikini_bottom, sitting, sky, smile, string_bikini, swimsuit, virtual_youtuber, wariza, water