Son-In-Law: Back To The Peak

“Ye Tian, your time of death has come!”
This is the first sentence that you would be introduced to as soon as you start to scroll through the pages of this book, and I am sure that you are already curious as to who is about to die.
Lemme tell you.
So, a cruise ship is riddled with holes, and there are several men and women on it, and they are all against Ye Tian. 
But why?
Well, Ye Tian is the god of slaughter, and he destroyed the drug business of the Gale Legion by killing the young Commmander. While they are about to kill him, a wave of killing intent comes out of his body, and it goes into the clouds. Quickly, they fire at Ye Tian before he self-destructs, but it is too late, he destroys more than half of them, including him. 
Ye Tian finds out that he has transmigrated, and that he has gone back to the age of twenty-three, with an unhappy wife, Chen Wanging, who is mad at Ye Tian because he was confronting the drug dealers in his neighborhood.
I guess he has a vendetta against drug dealers. 
There is even more. Before Ye Tian transmigrated, he used to be rough and caustic with his wife, but now, he is very gentle with her.
What could be happening?