The temple is the headquarters of the Shokokuji school of the Rinzai sect of Buddhism, which was founded by Ashikaga Yoshimitsu (1358-1408), the third shogun of the Muromachi Shogunate.
This “rebel” court lasted until their 1392 surrender to Shogun Ashikaga Yoshimitsu. What Is the Ashikaga Bakufu Noted For?