After the war ended in August 1945, he remained at the Qixia Temple outside of Nanjing until January 1946, and was repatriated in March of that year.

[12] The mayor announced plans in 2009 to completely reconstruct in wood the main towers of Nagoya Castle that were destroyed during the Second World War, just as in the original structure.

[13][14][15] Kawamura was elected for his fifth term in April 2021, amid his role in a recall campaign scandal against Aichi governor Hideaki Omura.

[19] At the opening ceremony for the 2014 World Cosplay Summit, held on July 26 at Chubu Centrair International Airport, Mayor Kawamura was on stage with 17-year-old voice actress Miku Itō.

In front of a crowd of cosplayers from over 30 nations, Kawamura unexpectedly put his arms around her shoulders and gave her a hug.

Having appeared on the covers of children's magazines and other products aimed at young audiences, her fans remembered the surprise on her face, followed by a forced smile (nigawarai).

"Kawamura complained, saying on August 2, "Views that the matter (of comfort women) isn't factually correct are strong.

Additionally citing phone complaints and fears of threat of a terrorist attack, the artistic director decided to close down that section of the Aichi Triennale.

"[25] On August 16, 2021, Mayor Kawamura made a formal apology, repeatedly bowing, and saying "I feel like such a pathetic person and am deeply ashamed.

[27] Kawamura had originally offered to pay for a new medal, but under the Olympic Charter, this would fall into the category of a "political donation", which is prohibited.

[26] The Olympic Medal incident is not the first time that Mayor Kawamura has displayed an urge to bite into a golden emblem in the presence of news media and photographers.

In order to generate tourist activity, it was decided to remove the two golden shachihoko (mythical half-tiger, half-fish creature) from the roof of Nagoya Castle and put them on temporary display.