What do you think about me pretending my Chinese partner is Japanese?
Why pretend your fiance is Japanese?
My parents do not like Chinese, so I must pretend in this situation
You should not have to hide who your fiance is from your parents. It is wrong to do that to him.
I don't care, I need to get a passport and also discourage my parents from going to China.
Does your fiance know that you do this? You're making things awkward for them pretending they're a race that they aren't, and now you're lying a bit too much.