The Clone Returns Home (2009)

Kohei Takahara an astronaut who dies in the line of duty is legally resurrected as a clone however contrary to the scientists expectations he reverts to his childhood memories when his twin brother drowned sacrificing his life for Kohei Koheis clone discovers the body of his former self mistakenly believing that it is his deceased twin Reliving his tragic past he sets off carrying his corpse body to the beautiful hometown where he lived with his now dead mother