1girl, ahoge, alternate_costume, bad_pixiv_id, brushing_teeth, cup, green_eyes, hair_between_eyes, hair_ornament, hairclip, hand_on_own_hip, holding, holding_toothbrush, hololive, indoors, iroha_(unyun), long_hair, long_sleeves, looking_at_viewer, messy_hair, pink_hair, pink_shirt, sakura_miko, shirt, sleepwear, solo, toothbrush, virtual_youtuber