The Vassal King Rebelled, and the Empress Summoned Me Back to the Capital!

The empress ascended the throne, the world was in turmoil, and the vassal kings everywhere were ready to take action! In the imperial city, there are many crises. After guarding the border for ten years, the empress called me back to the capital! Although he never interfered in the affairs of the court, now, he could not stay alone!