Misaka 10089

Misaka 10089 (ミサカ一〇〇八九号) is a Sister, a clone of Misaka Mikoto, introduced in Souyaku Toaru Majutsu no Index.

Personality
Unlike many of the Sisters, Misaka 10089 uses a lot of bad language, apparently the result of her time in America.

Los Angeles Arc
Misaka 10089 was one of the Sisters who gathered in Los Angeles to aid Kamijou Touma, who was fighting Citrinitas to save the city's trapped population and to prevent Melzabeth Grocery from being framed for the magician's actions, willingly revealing themselves to the world in the process. They fought off the army of hijacked Five Overs (including the Outsider for Accelerator), while Touma faced Citrinitas.