Vampire Husband

 is a Slice of life Webtoon Original created by Scragony; it updates every Tuesday and Friday.

Synopsis
"Charles is a vampire that never really expected to settle down, but Cheryl had other plans. Now they've been happily married for almost fifty years, but explaining why Charles still looks the way he did in his 20s is getting...difficult. They'll have to contend with Vampire Hunters, Werewolves, and Cheryl's old lady friends, but nothing is impossible for this supernatural duo!"

Charles
Charles is a vampire who fell in love with a human and decided to settle down. He looks young, but is older than he looks. Age unknown.

Cheryl
Cheryl is a lively old lady. She met Charles as a young woman and fell in love. Though Charles offered multiple times, she decided she would rather not become a vampire.