If you look at the next page, its not a error, Meiling just shakes yuugi's left hand with her right hand. Its not like it's impossible to do.
What's wrong?
You at least know a greeting called handshake, don't you?Nice to meet you.Please forgive my rudeness.AH!Hm?So, you were a youkai!...That's kind of a let down, but I'm relieved.Here.