Jaywalker_Holmes

Ren, a modern doctor and a secret master magician, suddenly finds himself inside a random book he picked up at the airport...as the villainous older brother of the protagonist. As the bad guy, he's supposed to make life difficult for the Male Lead until the latter grows up and kills him in revenge. However, looking at the broken teenager in front of him, Ren can't help but feel his heart soften. 
Fang was an orphan who had never known what a family is. Abandoned at birth, all he knew was pain and fear. He loved nothing, and wanted nothing...until he saw the angelic Wade. To save Wade, Fang didn't hesitate to sacrifice himself. ..after all, there was no one to cry over him.
But then, Ren appeared and turned his world upside down.

The Villain Saves the Male Lead

Baby Rhea had adapted very well to her family, and she was doted upon by everyone from the youngest to the oldest.

The Dragon Queen, Princess Una, Zeus, Prince Uno and Pax ended up staying with Ren and Fang for almost two months, while Wolf and Claw spent most of their days with them as well.

Baby Rhea had grown into a chubby and adorable little baby, and she would blink her big golden eyes, just like Ren's, charmingly at everyone. Other than her eyes, her face was turning out to be very similar to Fang's, much to Ren's delight.

"Lucky little Rhea," Ren said, poking the baby's cheeks with a very gentle face. "She's inherited her Papa's beauty!"

Zeus laughed. "Both you and Fang are very good looking, Ren," he said. "All your children are so beautiful. With your genes, I don't think it is even possible to produce an ugly child!" He eyed Princess Una (who was speaking to Fang) wistfully. "I can only hope that our children take after their mother…"

218 – Children and Magic