After the Prince Guarded the Border, the Whole Capital Cried Regretfully

Traveling through the great landscape to become the prince, the old emperor who favored the bastard listened to slander and made every possible effort to make things difficult for him? No one dares to speak out about the so-called princelings? But no one expected that the crown prince Li Chengxin, who has many titles such as the legitimate son of the Dajing royal family and the number one martial artist among the younger generation in Dajing, would actually ask himself to guard the border and fulfill their wish? Make trouble in the imperial city, suppress the noble families, go to the north, defeat the Tartars, prosper the border areas, and expand the holy martial arts! Dajing Chaotang found that the prince was still dazzling without the royal protection, but without the prince, Dajing was in danger. Everyone started to regret it...