Affiliate Marketing Secrets

Do ethnic Korean-Japanese (Korean heritage born in Japan) people tend to keep Korean last (family) names, or adopt Japanese ones?
What about first (given) names?
Does this differ depending on whether the Korean-Japanese is affiliated with North Korea or South Korea?
What percentage of Korean-Japanese go to special Korean schools in Japan?
Do those Korean school students all have Korean-style dress uniform for the female students? Or is that just North Korean schools in Japan?

My school is 95% hispanic (Mexican to be specific) and I’m supposedly Mexican too but I’m light skinned, slanty-eye’d and have black hair so everyone thinks I’m Asian. I don’t celebrate Mexican culture at all, the Mexicans at my school are gang affiliated. They think I’m “lame” for not smoking weed or drinking at 13. When my family/friends talk in Spanish I never understand them. Instead of bumping Mexican music I bump Korean Pop music (The only time I ever listen to Mexican music is to make my family happy.) And on top of that I get called zipperhead by the other students. (there are no Asians at all in this school, there was 1 Asian staff member before but he left) I also want to grow my hair out (which will cause more jokes with the fact that I wear glasses too). What do I do to stop being an outcast or the rest of freshman year. (I’m going to a school more closer to my city next year.)

I heard on the news that it is making some inroads into parts of Middle East, Europe and gaining a niche market in North America.