Nemurenu Yoru ni wa Kiba o Tatete

“I don’t need love—just drink my blood.” Betrayed by her former fiancé, maid Clarier loses faith in people and begins to suffer from terrible insomnia. One night, she realizes that the beautiful earl who frequents the library is in fact a dangerous vampire, and she proposes a marriage of convenience to him. What she wants is the status of a countess, so she can pursue her dream of becoming an author. What he wants is her sweet blood. But on the night he drinks from her, Clarier notices something: for the first time, she makes it through the night without nightmares and actually sleeps peacefully. As they soothe their loneliness with nightly blood-drinking, this sham marriage slowly turns them into irreplaceable people to one another— a sweet and perilous, British‑flavored dark romance fantasy. Original Webtoon