I'm in love with you fool

This is the story of a women named Natasha Saxena, who enters a family and impersonates their beloved princess, to complete a mission. But she faces many difficulties as Lu Ruo Bei, the young master of the family doesn't like her impersonating his little sister (childhood sweetheart).

Lu Ruo Bei is a handsome and aloof man who at the age of 20 became the youngest CEO of Lu Corporations. He is a CEO as well as the King of Underworld.

Natasha Saxena is an excellent secret service agent working for India. She is an orphan, but her parents left her an empire.
She arrived at their house to complete a mission but didn't know when everything changed.

How do you think will Natasha overcome all the difficulties?
Do you think he'll accept her?
What do you think will happen if the real Rhi Ning Xi appears?