He Yingqin
Wachi became a colonel in 1937, and was assigned to command the IJA 44th Infantry Regiment of the Kwantung Army during the Battle of Shanghai. Some historians hold him to be one of the prime instigators of the Marco Polo Bridge Incident of 1 July 1937. He remained in China after start of the Second Sino-Japanese War in 1937 attached to the Japanese China Garrison Army staff. Wachi engaged in efforts to negotiate with the Chinese to end the war and tried to communicate with General He Yingqin, the National Revolutionary Army Chief of Staff, via a Chinese agent in 1938, but these efforts failed.