Troop: Assassin of Anesthesia x Crown Prince of Valoria 'Yongdo', an assassin of Anesthesia was ordered to go to their rival nation Valoria and obtain some useful information to defeat Valoria. But on this mission he get involved with the crown prince of Valoria named 'Taejoon'. He is the most dangerous and brutal crown prince in the history of Valoria. After getting involved with him his life got chaotic but he still had to complete his mission...