Dan Heng is a cold and reserve, calm, he is quite serious sometimes he's a bit harsh too, smart,always keep his guard up,he is 23 years old adult, he likes to read books because he always spent time in the shelf as a doll in the past. And he is just a guard of the Astral Express, and administer of the Astral Express Archives. And he have a spear he gives it a name "Could-Piecer". And he likes tea.