1boy, 1girl, back, blonde_hair, blue_neckwear, blue_scarf, bow, brother_and_sister, detached_sleeves, hair_bow, leg_warmers, looking_at_another, looking_down, lying, on_person, on_side, sailor_collar, scarf, shirt, short_sleeves, shorts, siblings, sitting, sketch, sleeveless, sleeveless_shirt, snow, snowflakes, snowing, song_name, tree, twins, under_tree