1girl, bare_shoulders, blonde_hair, blue_eyes, bra, breasts, christmas, cleavage, hat, hayasaka_ai, heart, heart-shaped_pupils, kaguya-sama_wa_kokurasetai_~tensai-tachi_no_renai_zunousen~, merry_christmas, open_mouth, outstretched_arm, pink_bra, santa_costume, santa_hat, selfie, side_ponytail, sikijou77o, simple_background, sleeveless, solo, symbol-shaped_pupils, underwear, white_background