2girls, abyssal_ship, apron, black_nails, black_serafuku, black_skirt, closed_eyes, collarbone, colored_skin, dress, horns, lap_pillow, multiple_girls, nail_polish, pleated_skirt, school_uniform, serafuku, short_sleeves, sitting, skirt, sleeping, sleeping_on_person, white_dress, white_hair, white_skin, yellow_apron