Claim: A Sign Days was directed in written by Yōichi Sai (A Japanese film director) released in Japan in Japanese.
Evidence: Yōichi Sai Hiroshi Saitō
Yōichi Sai Japan Japanese Yōichi Sai (崔 洋一, Sai Yōichi, born 6 July 1949 in Nagano Prefecture) is a Japanese film director.