汪精卫政权
In March 1940 the Reorganized National Government of China was established, Lian Yu was appointed a legislator (Member of the Legislative Yuan). In the end of the same year he was appointed the first Ambassador to Manchukuo. In February 1943 he was recalled (Chen Jicheng succeeded him in this position) and became Ambassador standing at the Ministry. In May 1945 he was appointed as the last Ambassador to Japan.