Moving to Japan

Hello, I’m currently living in Japan, I’m a Canadian citizen and have only stayed in Japan for less than a year, on a WHV. I got my WHV around October 2024 so I was told I won’t be able to renew my visa in Japan ,but I have to go back to Canada and get it done there. Is there any pointers someone can give me as to what do when I’m at the airport leaving Japan? Do I have not use a re entry permit or do i put im coming back or not coming back? Or is there any rule I have to follow in order to be ok in re applying when im back home? Thanks

by FreshLeg6921