2girls, blush, breasts, brown_eyes, brown_hair, brushing_another's_teeth, choker, cleavage, closed_eyes, closed_mouth, collared_shirt, holding, holding_toothbrush, hololive, hood, hooded_jacket, indoors, inugami_korone, inugami_korone_(4th_costume), jacket, lap_pillow, long_sleeves, lying, multiple_girls, nekomata_okayu, nekomata_okayu_(4th_costume), official_alternate_costume, on_back, open_clothes, open_jacket, open_mouth, purple_hair, shirt, sitting, smile, speech_bubble, toothbrush, toothbrush_in_mouth, tsushi, virtual_youtuber, white_shirt