日本映画監督協会
Born in Shimonoseki, Sasabe graduated from Meiji University before attending the Yokohama Hōsō Eiga Senmon Gakuin (now the Japan Academy of Moving Images). He worked as an assistant director to Yōichi Sai, Seiji Izumi, and Yasuo Furuhata before debuting as a director in 2002 with "Hi wa mata noboru". He received the Directors Guild of Japan New Directors Award for "Chirusoku no natsu" in 2003. His "Half a Confession" won the best picture award at the 28th Japan Academy Prize. He also directed TV movies.