Emperor Hengyu: Shocking the World Since His Engagement Was Broken Off

I, Emperor Hengyu, am eternally invincible, but I was betrayed by my best friend and reincarnated as a useless hostage of the Great Xiao Dynasty. After eight years of dormancy, I was asked to marry the iceberg goddess of war when I returned home? Everyone thought I was a soft persimmon who could be manipulated. Sorry, it's a showdown, I am the only immortal in this world!