Evil Self (BL)

An evil man was executed and seal for eternity. They said he was a devil. He would kill anyone and everyone, who so much as blinked at him wrong. He does not care whether his victims are high royal officials or simple village children. He would slay them in the cruelest and most painful way possible. There was even a time, when he forced a man to eat the remains of his slain family, blinded him, cripple him, and then left him to suffer the pain of what he was forced to do. After he died they all celebrated for more than a month. ... 100 years later A young boy was killed as a sacrifice because he was believed to be an omen to his family. Due to his Aunt's schemes. His sacrifice released the evil man. The evil man decided to take the boy's place and revenged on his enemies. What will happen to the boy's family? Who schemed and killed the boy? when the devil took revenge for him? what will the evil man do when he re-counters the person he trusted and loved but yet still betrayed him. Did his heart beat for him again or was he revenged for his betrayal? Did He fall in love again? or closed his heart even after the Crown Prince took care of him? ..... This is a story of a cold-blooded MC and deep-in-love Man Lead indifferent to everyone except MC.