I Traveled Through Time and Became a Traitorous Minister with a Different Surname

[Time Travel + No Gold Finger] After waking up from a hangover, Zhang Xuan turned into a king of the opposite sex and found himself at the center of the whirlpool of intrigues. The court is full of turbulence, let's see how he uses his resourcefulness to maneuver among the ministers and attack the empress step by step!