Manga Publishers Are Turning Creator-Owned Stories Into Commercial IP Assets, Raising Questions About Who Controls the Work

Japan’s manga industry is increasingly built around more than selling books. Major publishers now seek to extend successful stories into anime, films, video games, merchandise, and international markets. That strategy has created new revenue opportunities, but it has also raised questions about how much control creators and their representatives retain when a manga becomes a valuable commercial property. A recent example is the end of Doraemon reprints in Shogakukan’s CoroCoro Comic. The May 2026 issue, released on April 15, carried…