Changyun Cheng is a member of the Chi You Men.
He is first seen on the 1st floor of the Dancing Dragon Building guarding the staircase to the 2nd floor.
- Changyun's zodiac sign is Scorpio and he has a B blood type.
- Changyun has the exact same stats (birthdate, height, weigh, etc.) as the "Man in Black Suit A" , although he is clearly a different character.