1girl, ahoge, blush, bow, breasts, brown_hair, brushing_another's_teeth, brushing_teeth, collared_shirt, from_side, girls'_frontline, girls'_frontline_neural_cloud, hair_bow, halo, holding, holding_toothbrush, large_breasts, long_hair, nanaka_(iris-colored_holiday)_(neural_cloud), nanaka_(neural_cloud), official_alternate_costume, open_mouth, out_of_frame, purple_eyes, purple_shirt, shirt, simple_background, toothbrush, toothbrush_in_mouth, toothpaste, upper_body, white_background, y_kimisaki