1girl, animal_ear_fluff, animal_ears, antenna_hair, black_skirt, braid, braided_bun, brown_pantyhose, closed_mouth, crop_top, crossed_legs, detached_sleeves, frilled_skirt, frills, hair_bun, hakui_koyori, hakui_koyori_(1st_costume), holding, holding_test_tube, hololive, legs, long_hair, looking_at_viewer, midriff, necktie, pantyhose, pink_hair, pink_nails, pink_necktie, purple_eyes, quarterlift, shirt, shoes, single_side_bun, skirt, sleeveless, sleeveless_shirt, smile, solo, tail, test_tube, very_long_hair, virtual_youtuber, white_background, white_shirt