Nagasarete Airantou is a Japanese manga series created by Japanese author Takeshi Fujishiro. It was first serialized in the manga magazine Monthly Shōnen Gangan in January 2002, published by Square Enix. Eighteen volumes have been released in Japan as of March 2011. A few years later, a couple of drama CDs were released based on the manga version. An anime adaptation by the animation studio Feel aired in Japan between April 4 and September 26, 2007, containing twenty-six episodes.