Responses
Maybe he thought the uke was just a nymphomaniac??? I'm kinda lost too
Vampires need blood --K needs sex why would he think K was a vamp?
Well.. Director was only told that Doyoon (was it?) needed sex to live.. It wasn't explained actually.. So, no. Director didn't actually know..
I thought he already knew? I thought he said that he knows that he has to live off of sex for essence..? I'm a bit lost (⊙…⊙ )