2.29 The Haunted School - The homicide in the restroom

After the woman who holds Xavier's hand before, she suddenly wants to go to the restroom after feels her stomach ache. 

She was Zhi Yan, one of the popular actresses with beautiful and had an amazing voice. Both actress and singer. But she was also the most actress in the entertainment industry that hard to work together because she was so arrogant and always use her background to suppress the other singer or actresses who were more popular than her or under her. 

5 years ago she was the one of students who bullied Hei Yinian and accuse him to have a crush on her. 

That was also one of why Hei Yinian was bullied by a boys student who had a crush on this popular and beautiful girl.