CyberConnect2 Co., Ltd. (サイバーコネクトツー Saibā Konekuto Tsū) is a video game development studio mostly known for its work on the .hack series, along with a series of fighting games based on the Naruto franchise. They're also known for creating the spiritual Little Tail Bronx series (e.g. Tail Concerto and Solatorobo: Red the Hunter). More: en.wikipedia.org.