Marry The Emperor ~ Who is Na Jinci?

Who  played Na Jinci in the Chinese series “Marry The Emperor”?

I’m watching episode 11 and it looks like the ML dies, don’t know if there are more episodes. Although I have searched online, I am unable to find any information about this series.  I came across it on YouTube. The information shown online just says, “The Girl was forced to Marry, But she ended up..” 

Any help much appreciated.