They divided themselves, they came through the back too.
"Tae-hwan send one of your men to follow the back secret passage and go look for your men whom you sent too bring in the 11A squad, tell him that when he finds them ..they should pass throw the front entrance and if they get here early, they're ordered to attack Nam Joo-hyuk and his squadron from behind." I said as I rush inside the second entrance, grab my sword from Yabo and wave them to follow me.
"The remaining of OBT squad are still outside of the palace right? ..and the PQ troops are at the back?." I asked Tae-hwan who's now standing beside me again.
He yelled a yes. After a while, he walked to my front, an unsure look on his face ..he says. "His Majestic, I think I know where the Empress is."