ELF Corporation (エルフ or élf) is an eroge studio. One of its most popular games is Dōkyūsei, a pioneering dating sim, which has had a sequel, and been turned into video and TV series. The character design of the main villains from the -saku series is the company mascot. élf was founded on April 27, 1989 in Tokyo. As of 2004, the CEO is Atsushi Shimoda(下田篤). efc, the ELF Fan Club (エルフＦＣ), has an active membership. There is a project that aims at recreating the game engine for other platforms.