Fushigi Yūgi (ふしぎ遊戯), also known as Fushigi Yûgi: The Mysterious Play or Curious Play, is a Japanese shōjo manga series written and illustrated by Yuu Watase. Shogakukan published Fushigi Yûgi in Shōjo Comic in its original serialized form from May 1992 through June 1996. Viz Media released the manga series in English in North America starting in 1999. Spanning eighteen volumes, Fushigi Yûgi tells the story of two teenaged girls, Miaka and Yui, who are pulled into The Universe of the Four Gods, a mysterious book at the National Library. It is essentially based on four mythological creatures of China.