1girl, bell, black_choker, blue_eyes, blue_one-piece_swimsuit, blush, breasts, brown_hair, choker, christmas, cleavage, covered_navel, hat, hawawa-chan_(shiro_kuma_shake), holding, holding_sack, large_breasts, looking_at_viewer, medium_hair, neck_bell, one-piece_swimsuit, open_mouth, original, sack, santa_hat, school_swimsuit, shiro_kuma_shake, smile, swimsuit, window