1girl, aozora tsuru, armpits, bangs, bare shoulders, breasts, brown eyes, brown hair, christmas, detached collar, detached sleeves, electricity, electrokinesis, flower, fur-trimmed bandeau, fur-trimmed headwear, fur-trimmed sleeves, fur trim, hat, looking to the side, medium breasts, medium hair, midriff, misaka mikoto, open mouth, psychic, red bandeau, red headwear, red sleeves, santa costume, santa hat, solo, strapless, toaru kagaku no railgun, toaru majutsu no index, upper body