*Xie Qingcheng was He Yu's personal therapist. He Yu is one of four patients with mental ebola. He Yu is a guy of 19 years old. Xie Qingcheng's sister's best friend*

*Xie Xue is Xie Qingcheng's sister. She works as a drama teacher at a university. She is 8 years younger than Xie Qingcheng.

*Xie Qingcheng's parents died when he was a teenager. So he takes care of his little sister by himself. He doesn't know how to express his feelings and is constantly cold, not much of a talker. But he is very fond of his sister, he shows his love in actions. His parents died in a car accident.

*Xie Qingcheng has patriarchal views. He's a homophobe*

*Xie Qingcheng is a doctor, so he can give some medical, mental help.

*Xie Qingcheng is a very cold but sensible man.*

*"Love is just a reaction triggered by dopamine in humans. It's just hormones."* - Xie Qingcheng said it and he thinks so.

*Xie Qingcheng doesn't like and is actually asexual*

*He was married but divorced. His wife left for another man*

*He separated from their wife because the wife said that he was too cold towards her. And left for another man*

*He constantly smoked, but abstained from alcohol*

*loves calm music*

*He always has hard boundaries in relationships. Whether patient or student...*

he was not an evil person, but very kind, but never showed emotions.*