Hanyeowa Heupyeolgwi

Areum falls into the strange world Soltera after a car accident.There, she is mistaken for a vampire and gets sold to a duke's house by a slave trader. The master of the house that bought her is lord Millard, the one and only vampire in the world! Desperate to survive in any way, Areum becomes lord Millard's direct servant vowing to serve him as her master. When Areum tries to grow closer to lord Millard day by day, his attitude towards her starts changing all of a sudden...

(Source: NetComics)