When will Shizi find out that he is a substitute?

Prince Rui's son, Cheng Jin, is known to everyone as a beautiful idiot; Bei'an Hou Fang Xiaocheng is a young hero praised by the world.Few people know that the two have already had an unrelated affair.yes!square!filial piety!Proceed!host!move!of!Cheng Jin is very proud of this!Even if others scold him and laugh at him, Fang Xiaocheng, whom they admire, likes him!Until he realized later that he was a substitute for the emperor's cousin.Cheng Jin: Crap, the happiness is gone all of a sudden.jpg It wasn't until Cheng Jin left in despair that Fang Xiaocheng realized what he really wanted.But Cheng Jin has already run away with his mortal enemy~ Fang Xiaocheng: If a person dies, he will probably die. jpg*cp: The hero of righteousness & the scumbag in love & escorted to the crematorium (Fang Xiaocheng) x Lack of love, savage, stupid, and beautiful (Cheng Jin) (Shou is really stupid) *he* Shou has the tendency to be a heartthrob Look at the essence through the phenomenon