Originally Posted by
glo
If you want to give a nod to Japanese traditions and keep it original at the same time, you could ask her father for permission beforehand. It's almost an unwritten law in Japan that you have to get the father's permission before proposal. Not to mention it's classy, and it will get you major cookie points with the parents regardless.
As for the actual proposal, just do something all on your own. You'll be happy 10 years down the line looking back that you did something of your own and not something that everyone else has done.