On Sale Ep 5 - Tumblr Posts

A lot happens in episode 5 so I guess I understand why no one is talking about it but a grown man brought his doll - who was in fact NOT a doll - to the restaurant with him for dinner. And, while clearly, it was more important to deal with the Chef's ghost, I still need answers. What the hell was going on with that "doll"?

Sidenote: Why are these two so beautiful?