1girl, 3, ankle_cuffs, ascot, bad_twitter_id, bead_necklace, beads, black_flower, black_rose, breasts, brooch, brown_leotard, brown_thighhighs, chain, closed_mouth, coin, covered_navel, crop_top, cropped_vest, flower, gem, gold_coin, gold_trim, heterochromia, holding, holding_key, hololive, houshou_marine, houshou_marine_(1st_costume), iroha_(unyun), jewelry, key, key_necklace, knees_up, leotard, long_hair, looking_at_viewer, lying, medium_breasts, miniskirt, necklace, no_shoes, on_back, pleated_skirt, red_eyes, red_hair, red_skirt, rose, skirt, soles, solo, thighhighs, thighs, toes, treasure_chest, twintails, vest, virtual_youtuber, yellow_eyes