ASCII Corporation, Ltd. was a Japanese publishing company based in Chiyoda, Tokyo. It became a subsidiary of Kadokawa Group Holdings in 2004, and merged with another Kadokawa subsidiary MediaWorks on April 1, 2008, becoming ASCII Media Works. The company published Monthly ASCII as the main publication. ASCII is best known for creating the Derby Stallion video game series, the MSX computer, and the RPG Maker line of programming software.

Kadokawa Corporation , formerly Kadokawa Dwango Corporation, is a Japanese media conglomerate that was created as a result of the merger of the original Kadokawa Corporation and Dwango Co., Ltd. on October 1, 2014.