that one seems to be fine now too somehow, even though it still has Japanese characters! I compared it to an older one and the older version is still corrupted by default but this new version seems to extract the Japanese without needing to change the extraction language
That's good news! Thank you! I am using 7-zip to create the zip file, and I applied the parameters described in this article.
How do I use 7Zip to zip files? – QuickAdviser
Thanks to your report I was able to find this method. Thank you so much!!! I will use this method to create ZIP files in Fanbox and other places in the future.