During the day, Duan Lei is an innocent and lovely sweetheart of Class A, Grade 1. She is humble and extremely naive, making people think she is someone who can even calculate 1+1 wrongly.
Duan Lei at night is the boss of the C-K Group who is very thoughtful and stops him. As long as you have any request, just take a piece of hair in exchange. Not many people know about the C-K Group, but C-K's power is spread all over the world.
No matter day or night, Xiaofei is always by Duanlei's side. It seems like it started from a very young age.
What is the hidden secret behind everything?