norizou type-r, kashiwagi chizuru, kizuato, to heart, to heart (series), 1girl, bell, blue hair, blush, bra, brown eyes, choker, christmas, collar, female focus, frilled panties, frills, garter belt, hat, lingerie, long hair, navel, neck bell, nipples, panties, red bra, red panties, red thighhighs, santa costume, santa hat, see-through clothes, simple background, solo, standing, thighhighs, underwear, underwear only