bankruptcy in 1973 and its assets were divided. Tezuka had already left the company by then, having stepped down as acting director in 1968 and formed a new animation studio, Tezuka Productions (which made such works as Marvelous Melmo and Unico). The company was later reestablished on November 26, 1977, and has continued to operate as "legacy company".

The name "Mushi" means "insect"