Japanese forex brokers

Go to their national stock exchange and check broker section. there should be accredited brokers that works on their exchanges.

If you're looking for CFD or forex brokers probably your search will end in nothing, cuz there is no sense to open such brokerage in Japan.

why are you so interested in jananese broker?
I suppose that there might be some japanese broker that maintains english. And how are you going to make cashout?

Not sure about brokers in Japan however i think there might be many online brokers who accept traders from Japan. But i think its better to google the required details to get the desired results.

Difficult to trade with Japanese brokers located in Japan. But you can trade with Japanese Brokers located in Australia and UK regulated by Asic and FCA. I know four: Invast and Rakuten Securities Australia, ASIC. Hirose and Z.com Trade UK (GMO Click), FCA. DMMfx Australia´s ceased operations at 2016.

How about Rakuten (https://sec.rakuten.com.au/)
I believe Rakuten is from Japan.

I´ve written a post at the thread Rakuten e-commerce. I´ve opened real account with them, leverage up 100, min. initial deposit usd 50, spread for usdjpy 0.6 pips. It business model is market maker, good support assistance by chat. i didn´t withdraw yet. I am manual trader (price action) with high timeframes, in my opinion they seem good broker. I´m waiting to post about them once i decide to withdraw.