Toaru Kagaku no Railgun SS2: Shopping Mall Demonstration refers to the story that was released in parts on limited edition DVDs and Blu-rays of Toaru Majutsu no Index II anime. The story consists of eight parts, and can easily equate to a regular Index novel in length. The story is set in Russia where Misaka Mikoto takes part in a demonstration, but things don't pan as scheduled as Mikoto meets the mysterious New Light.