1girl, akanebi, animal_ear_fluff, animal_ears, antenna_hair, black_choker, black_skirt, braid, braided_bun, breasts, choker, closed_mouth, crown_braid, hair_between_eyes, hair_bun, hair_ornament, hakui_koyori, hakui_koyori_(1st_costume), hand_up, holding, holding_test_tube, hololive, index_finger_raised, large_breasts, long_hair, midriff, nail_polish, navel, necktie, pink_hair, pink_nails, pink_necktie, shirt, simple_background, single_side_bun, skirt, sleeveless, sleeveless_shirt, smile, solo, test_tube, very_long_hair, virtual_youtuber, white_shirt