YOU SAID:
http://warthunder.com/en/registration?r=userinvite_122143928
INTO JAPANESE
http://warthunder.com/ja/registration?r=userinvite_122143928
BACK INTO ENGLISH
http://warthunder.com/en/registration?r=userinvite_122143928
INTO JAPANESE
http://warthunder.com/ja/registration?r=userinvite_122143928
BACK INTO ENGLISH
http://warthunder.com/en/registration?r=userinvite_122143928
You've done this before, haven't you.