The announcement

This is about Marinette being the princess of China. She had to leave to know how is life like a normal girl. It has been ten years and she and her guard Nino are finally going back to China.

Then Miss Bustier announces that the class is going on a trip to China to see the coronation

What will her friends think? Will they still trust her? Find out more in Hidden Princess

Also in this story Adrien and Chloe are together and are both bitches to Marinette.

There are still ships there, but you'll just have to find out.