Why Didn't You Tell Me You Were a Vampire?

[Blurb]

As technology advances, vampires have gradually evolved to the point where they can go out in the sunlight and are barely any different from ordinary humans.

Mr. Lawrence was once the strongest fighter in the vampire race. Now that he is getting on in years, he wants to find a human partner, a regular blood donor, and spend his twilight years in peace.

Lawrence sent his resume to a matchmaking site, but every prospective match turned down his invitation after hearing that he was in poor health and needed 800 cc of blood donated on a regular basis each month.

He thought he would have to live out the rest of his life on pig's blood. Then, by sheer coincidence, he turned a vampire hunter into a vampire, someone with a blood feud against the vampire race.

To preserve peace between humans and vampires, the two are forced to marry first and fall in love later, despite pressure from both their families.

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Theme: True love exists in this world.