Just because Nie Ya died suddenly from overwork, and then... Met
"Ding! Hello, I am System No. 007. Look at your skeleton as host. Come and save the world with this system!"
In the vast world, every dimension is to save the blackened male supporting character. Even though he is a male supporting character, he eventually overturns the plane.
Plane 1: The arrogant young lady and the sinister little housekeeper
Plane two: the cold female blood hunter and the innocent earl
Plane three: witch and scheming boy
The rest of the world is written slowly
Concept: Tiantiantian 1&1 double cleansing