The Immortal Doctor Son-in-Law: My Wife Is a Succubus Princess

This book is also titled: I Could Have Lived Off the Succubus Princess's Generosity, but Instead I Chose to Become a Supernatural Immortal Physician Through Cheats

I Got Married to a Succubus Young Lady from the Start: A Supernatural Immortal Physician and Demonic Heir Doctor, Living Off Others in the Supernatural World

Synopsis:

"Butler, is that son-in-law who married into your young lady's family dead?"

"Your Excellency, Madam, our young master-in-law is doing just fine."

"Oh? Is the princess pregnant?"

"Your Excellency, Her Highness the Grand Princess, the princess has already given birth to a daughter and is pregnant with her second child!"

"That human boy is that impressive? He can get a succubus pregnant and still be full of vigor himself? Bring him to me at once!"

"Your Majesty, as the husband of the crown princess and the princess's consort, he is now beyond even your reach."

"What other identities does he have?"

"An immortal revered by ten thousand families, and an unparalleled divine physician!"

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.