KOYUKI is cosplaying as Saber from Fate/stay night. Fate/stay night (フェイト/ステイナイト Feito/sutei naito) is a Japanese visual novel developed by Type-Moon, which was originally released as an adult game for the PC. An all-ages version of Fate/stay night, titled Fate/stay night Réalta Nua, was released for the PlayStation 2 on April 19, 2007, and features the seiyū from the anime series. On October 28, 2005, Type-Moon released a sequel to Fate/stay night, entitled Fate/hollow ataraxia. Its plot is set half a year after the events of Fate/stay night.
Fate/stay night has made transitions into other media. A manga series based on the visual novel was first serialized in the Japanese magazine Shōnen Ace and published by Kadokawa. The manga is illustrated by Japanese artist Nishiwaki Datto and is currently ongoing. In 2007 the manga was licensed for an English-language release in North America by Tokyopop. A twenty-four episode anime series created by Studio Deen aired in Japan between January 6, 2006, and June 16, 2006. The anime series were initially licensed and released in North America by Geneon Entertainment, however On July 3, 2008 Geneon Entertainment and Funimation Entertainment announced an agreement to distribute select titles in North America including Fate/stay night. On November 22, 2006, Type-Moon announced a series of light novels entitled Fate/Zero, set as is a prequel to Fate/stay night. There have been four video games based on the series to date. Three fighting games have been released, Fate/unlimited codes for arcades and PlayStation2, Fate/tiger colosseum and its sequel Fate/tiger colosseum Upper for PSP. A PSP RPG entitled Fate/Extra was released on July 22, 2010. A Fate/stay night film was also created by Studio Deen and was released in Japanese theaters on January 23, 2010.