The Tales of Nights - Season 2 Episode 1 Cat in Moonlight
Overview: Soon after Yoo-han’s advances have been spurned by the cynical Joo-na, he is given a cat who can turn itself into a beautiful women. But in order to become fully human, the cat-woman has to have sex with him. Meanwhile Joo-na decides to seduce Yoo-han after all. His emotions are now torn between the two objects of his desire.