The company went on to dedicate itself to its own prime productions and, after the production of "Air," adapted created animated TV adaptations of romantic adventure games produced by the Key game brand including "Kanon," "Clannad" and "Clannad After Story" at a rate of one animation per year.
以後、自社元請制作に専念するようになり、『AIR』以降、ゲームブランドKeyが製作した恋愛アドベンチャーゲームをテレビアニメ化し、『Kanon(ゲーム)』、『CLANNAD(ゲーム)』、『CLANNAD〜AFTERSTORY〜』と毎年1作ずつ制作している。