Shueisha Inc. (short for: Shueisha) is one of the largest general publishing houses in Japan, and is part of the Hitotsubashi Publishing Group (Hitotsubashi Grp). In 1949, the company was officially established as Jiyoungsha Co. Since its establishment, the company has published such famous publications as the weekly magazine "Shonen Jump", the weekly magazine "Playboy", "non-no" magazine, and magazines.