Durarara!! (デュラララ!!) is a light novel written by Ryohgo Narita and illustrated by Suzuhito Yasuda. It was published from April 10, 2004 to January 10, 2014. A manga adaptation by Akiyo Satorigi was serialized in GFantasy from June 18, 2009 to April 18, 2011. An anime adaptation aired from January 8, 2010 to June 25, 2010. Two games based on the series for the PlayStation Portable have been released, and two games for PlayStation Vita have also been released.
Ryūgamine Mikado is a young man who longs for the exciting life in the big city. At the invitation of his childhood friend Kida Masaomi, he transfers to a school in Ikebukuro. Masaomi warns him about people he doesn't want to cross in the city: a violent man dressed like a bartender, an information merchant, and a mysterious gang called "Dollars". And to top it off, Mikado witnesses an urban legend on his first day in the city: the Headless Rider astride a black motorcycle.