1girl, black_thighhighs, breasts, brooch, cleavage, covered_navel, heterochromia, hololive, houshou_marine, houshou_marine_(1st_costume), jewelry, large_breasts, leotard, long_hair, looking_at_viewer, open_mouth, red_eyes, red_hair, see-through, see-through_cleavage, solo, thighhighs, tsushi, upside-down, virtual_youtuber, yellow_eyes