After Being Sent to the Enemy, He Went Crazy With Regret

Princess Si Tu Yuan was once the favored eldest princess who saved Pei Ji in her youth, only to have her merit stolen by Lin Wanru and be sent to the enemy nation, Northern Li, as a hostage by Pei Ji himself. During her three years in Northern Li, Si Tu Yuan endured inhuman torture. Only when Northern Li lost the war did Pei Ji bring her back. Upon returning home, while Si Tu Yuan appeared obedient on the surface, her heart had completely lost hope in Pei Ji. The arrival of Emperor Si Tu Jing made her realize her true mission. From then on, she embarked on a path of darkening and revenge.