From the Start, I Married a Princess: From Her Consort to an Emperor for the Ages

Xiao Chen is back. Bearing the prestige of being the Marquis of Zhenguo's legitimate grandson, he steps into the imperial capital, where power struggles abound and everyone lives in fear. The emperor wants to use him as a hostage to control his grandfather, who commands a vast army on the distant northern frontier. The princes see him as a pawn: some want him dead, while others hope to win him over and use him. Princess Zhaohua, whom he saved as a child, offers herself as a shield and volunteers for a political marriage.

No one knows that this seemingly docile hostage, returned to his cage, harbors the soul of someone from another world. Watch as he climbs, one step at a time, to the pinnacle of this dog-eat-dog High Martial world...