Sadaaki Kato

Part of Kadokawa Corp., ASCII Media Works, Inc. is a Japanese company based in Tokyo that offers a wide range of products and services, including literary books, light novels, comics, general books, learning materials, magazines, and more. The company is also involved in the production and distribution of TV shows, movies, and anime, as well as video software and game goods. Additionally, ASCII Media Works provides language books, dictionaries, and encyclopedias, as well as life and practical books, spiritual and self-development books, and PC and science books. The company is part of the Kadokawa Group, which offers a variety of products and services across different genres and categories.

DIAMOND, Inc. engages in publishing business. It handles publication of magazines, books and electronic contents such as CDs and DVDs. It also offers human development support projects and database services. The company was founded in May 1913 and is headquartered in Tokyo, Japan.