Can you recommend a modern urban novel?

It was about a student who seemed to be studying biology. Because of his sister, he became the leader of the underworld. He had many romantic encounters. One of them was to milk his mentor. Because the mentor couldn't drink milk after giving birth, he was afraid of accumulating milk. I can't remember the details. If you know, please tell me your name or link.
There was also a scene of a wife swap.

Answer 1

I recommend the novel "Abduct a God to Have a Baby" to you. The plot of this book revolved around the story of the female protagonist abducting a God and then the two of them slowly warming up their love after they came into contact with each other. I hope you like this fairy's recommendation. Muah ~😗