1girl, ahoge, animal_ears, birdcage, book, braid, braided_bun, cage, cardiogram, clipboard, clock, closed_mouth, collared_shirt, crow_(la+_darknesss), dna, frilled_skirt, frills, hair_bun, hakui_koyori, hakui_koyori_(1st_costume), holding, holding_clipboard, holding_pen, hololive, kokoro_(hakui_koyori), la+_darknesss, lab_coat, long_hair, long_sleeves, necktie, off_shoulder, open_book, pantyhose, pen, pink_hair, pink_necktie, roitz_(_roitz_), shirt, skirt, solo, standing, stasis_tank, tail, test_tube, thigh_strap, virtual_youtuber, white_shirt