Professor asking me about my financial condition For masters degree, I have contacted one of the professor of university of Tokyo. He told me in his 1st email reply that he would not like to have students only for 2 years. He wanted a student for 5 years(MS+Phd). Then I emailed him saying that I am ready to study for longer time. He replied for the 2nd time writing that, he is very happy to hear it, that I want to pursue both MS+Phd. But next he asked me if I have a concrete plan for my financial support as there is no salary paid by the PI or University.
In my first email, I didn't mention about any scholarship. 
What should I write to him now? How should I ask him for University recommend MEXT scholarship?
Dear Professor X,
  
  Thanks for your email.  Regarding your question about financial support, I am planning to apply for a MEXT scholarship.  If I receive this scholarship, it will provide me with [explain the terms of the scholarship].  Would you be willing to support my application for this scholarship?  If so, I would need [explain what you would need from him].
  
  If I do not receive the MEXT scholarship, I would plan to finance my graduate education by [explain your backup plan].
  
  If you are aware of other funding opportunities, I would be glad to hear about them.
  
  Sincerely,
  
  [your name]