Hakuouki is a video game series by Idea Factory, first designed for the PlayStation 2 and then later ported to PlayStation 3, PlayStation Portable, Nintendo DS, and Nintendo 3DS. It has been adapted into two 12/10-episode anime series animated by Studio Deen; the first began airing in Japan on the TV Kanagawa and UHF stations on April 4, 2010. The second season began airing on October 10, 2010 and ended on December 12, 2010. The series has also been adapted as two different manga series. A third series based on the prequel, Hakuōki Reimeiroku aired in summer of 2012