1girl, 2022, artist_self-insert, bag, blush, breasts, christmas, cleavage, dated, hat, holding, holding_bag, kanna_(plum), large_breasts, long_hair, looking_at_viewer, low_twintails, numbered, open_mouth, painttool_sai_(medium), purple_eyes, santa_costume, santa_hat, senki_zesshou_symphogear, signature, simple_background, solo, twintails, white_hair, yukine_chris