Supreme Immortal Son-In-Law

*It's said that the son-in-law has no human rights and that he has to sleep in separate beds when he marries a beautiful wife. 
Even his sister-in-law, who had always been arrogant and despotic, looked down on him. 
Qin Fan always wondering How could his master allow him to marry her? 
It is clearly a pit for him to jump into. 
But who was Qin Fan? 
Astrology, geography, looking through the air, exorcising evil spirits and controlling ghosts, martial arts, medical skills, everything. 
He also knew a lot of strange techniques that were not commonly seen in the world, so if he wanted any beauty, it would be a piece of cake!
So he was waitting for a chance to reverse!
And today that chance had finally come to him...