I Got Engaged to a Succubus Heiress from the Start, the Immortal Doctor of the Mortal World

Butler, is your young lady's live-in son-in-law dead?

Most revered mistress, the son-in-law is alive and well.

Oh? Then is the young lady pregnant?

The young lady has already given birth to one child and is expecting a second!

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

Your Highness, the Princess Royal, given the prince consort's current status, you can no longer summon him at will.

What other status does he have?

An immortal revered by ten thousand families, and a peerless physician!

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