Tax treatment of short-term and monthly rental of japan real estate owned by US resident

Hi there,

I'm on the cusp of purchasing a Tokyo property which we'll rent out part of the year. I'm a bit confused as to what the tax treatment will be. My US accountant says income will be taxed in the US but a Japanese accountant has told me it will be subject to Japan income tax (including withholding tax). Sites like wagaya say the US-Japan Tax Treaty outlines that we wouldn't be subject to Japan withholding. How does this work?

https://wagaya-japan.com/en/journal_detail.php?id=8353#:~:text=The%20Japan%20%E2%80%93%20U.S.%20Tax%20Treaty,in%20their%20country%20of%20residence.