That's unlikely since they'd still be Japanese most likely
Nintendo's especially strict content creator and fan game creator practices stem from Japanese Copyright law encouraging IP owners to be waaaaaaaay more aggressive about protecting them than in most other IP markets.
Like I'm pretty sure the concept of fair use isn't legally recognized in Japan.
I'm going to need sources on that copyright law especially because of the amount of misinformation that is spread online about Japan deliberately by trolls and misinformed users
Totally Not Mark has a community discussion vid from when he had to deal with this personally because of all the manga video essays he'd been doing that got copystriked.