What's Wrong with Me Being the Emperor's Hostage for Ten Years?

Dali, a dynasty not recorded in history! Xiao Jing Linghun passed away and became the fourth son of Prince Saibei who was in Beijing as a hostage. Ten years as pledge, no money, no power, no temper. The imperial court regarded him as a chess piece, and his own father regarded him as an abandoned son. In my previous life, I was timid and cowardly, hiding in the house and not daring to see anyone. When I reached adulthood, I was granted a marriage by His Majesty, and the next day I was caught and raped in bed. "I'm here, my character is going to change, the situation is going to change, everything is going to change." "This world has changed because of me." "It doesn't matter whether I live or not, let's finish together..." "Dignity is on the edge of the sword, truth is within the range of the cannon." … "You say I'm poisonous, but I'm even more poisonous." … The emperor takes turns. I have been the son for ten years and the throne belongs to me. What happened?