1girl, o, animal_ears, antenna_hair, arm_up, bed_sheet, black_choker, black_panties, breasts, chest_belt, choker, coat, collared_shirt, crop_top, frilled_shirt, frills, groin, hakui_koyori, hakui_koyori_(1st_costume), hololive, lab_coat, large_breasts, long_hair, looking_at_viewer, lying, mashiro_io, navel, necktie, no_pants, open_mouth, panties, papers, pink_eyes, pink_hair, pink_necktie, shirt, side-tie_panties, sleeveless, sleeveless_shirt, solo, stomach, underboob, underwear, untied_panties, virtual_youtuber, white_coat, wolf_ears, wolf_girl