Key (company)
 Key is a Japanese visual novel studio which formed on July 21 1998 as a brand under the publisher Visual Art's and is located in Kita Osaka Japan. Key released their debut visual novel Kanon in June 1999 which combined an elaborate storyline an up-to-date anime-style drawing style and a musical score which helped to set the mood for the game. Key's second game Air released in September 2000 had a similar if not more complex storyline to Kanon and a more thorough gameplay.