I've got this message from Zenmarket when I tried to buy
https://kyoanishop.com/shopdetail/000000002050/
Well, fuck them. If you try to use their forwarder partner it calculates a 880 yen domestic shipping which is already higher than the cost of the volume, a 159 yen fee for the forwarder (at least this is cheap) and an international shipping of 3000 / 4000 yen. No, thanks.