Accelerator, the most powerful psychic in Academy City, is quietly recovering from his injuries when trouble literally lands in his bedroom. A group of anti-evil zealots who call themselves โDAโ are causing havoc, and it could threaten the cityโnot to mention the entire world! Although he hates to be bothered, a world-shaking threat may be enough to get Accelerator out of bedโฆespecially if it involves the adorable Misaka Mikoto clone, โLast Order.โ