http://thestar.com.my/education/stor...ation/16849100 - Aren't too many people in Japan who speak english, but you could easily find some people in the streets who can understand you and point you in the right direction. (experience)
But Japanese is a fairly easy language to learn.
It's the writing that you need to watch out for -.-'
And get more TC+QI average. Basically, the better a clan does as a whole, the better your rank will be. If someone has really good QI and TC, they can be negated by someone who has very little QI and TC.