1girl, solo, thighhighs, hat, blue hair, christmas, skirt, santa costume, long hair, blue eyes, gift, bell, navel, santa hat, bikini, midriff, smile, zettai ryouiki, starry hair, swimsuit, breasts, gloves, web address, miniskirt, belt, blush, personification, watermark, capelet, red thighhighs, open mouth, medium breasts, humanization