1girl, animal_ear_fluff, animal_ears, antenna_hair, blush, braid, braided_bun, breasts, chemical_structure, chest_belt, collared_shirt, crop_top, crown_braid, frilled_skirt, frills, hair_bun, hakui_koyori, hakui_koyori_(1st_costume), hexagon, hexagon_hair_ornament, holding, holding_test_tube, hololive, indoors, lab_coat, looking_at_viewer, midriff, navel, necktie, open_mouth, pantyhose, pink_necktie, pink_tail, pleated_skirt, purple_eyes, rei_(ilust9999), shirt, skirt, sleeveless, sleeveless_shirt, smile, solo, tail, test_tube, virtual_youtuber, white_shirt, wolf_ears, wolf_girl, wolf_tail