CELSYS, Inc., together with its subsidiaries, engages in content creation solutions business in Japan. It offers Clip Studio Paint, a content creation application; Retas Studio, an animation software; Club Studio Tabmate, a content creation hardware; and content creation support services, including clip studio and creator oriented services. The company also provides Clip Studio Reader, a viewer for manga, webtoon, novels, light novels, photobooks, technical books, and other products; DC3, a content distribution infrastructure solution; and Hive, a DC3 content player. CELSYS, Inc. was founded in 1991 and is headquartered in Shinjuku, Japan.