The Sweet Blood (2021)

Both FLs are vampires and the MLs are humans who taste especially delicious to the FL. .............................................

Set within a hospital. A vampire works as a doctor. A battle between good and evil as well as immortal love takes place.

Both of them have main focus are Vampire. Same actor (Kim Ji Woong) who play vampire role. School/Campus setting.

Both are mini dramas with vampires. ..........................................................................................

Both are webtoon adaptations. Vampires and a interspecies romance with some potential but things didnt exactly worked out.