1girl, arm_behind_back, armpits, bikini, bikini_pull, breasts, clothes_pull, earrings, heterochromia, hololive, houshou_marine, houshou_marine_(summer), jewelry, large_breasts, long_hair, nail_polish, navel, official_alternate_costume, red_hair, simple_background, solo, swimsuit, takeno_omoti, tongue, tongue_out, virtual_youtuber