Traveling Through Northern Qi Scenery

They are young girls in the real era. They have a deep relationship with each other. They are friends, besties and confidants. In school, they have the honorable title of "Ironman". After graduating from junior high school, they each went to their own battlefield, their own stage, and their own world! But this time, they once again connected with each other, as if they had made a secret agreement, and actually traveled through the same year, the same month, the same day, and for different reasons to the same era, the same place, and the same identity - the princess of the Northern Qi Dynasty. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.