[Picture] Mysterious woman appeared in drama "The Greatest Love",is she a human?

 Some viewers spotted a mysterious long hair woman in the latest episode of MBC drama The Greatest Love.

The long hair woman was hiding at the back of the pillar (see photos below).The woman's head appeared at the height of around 200 - 300 cm above the floor(definitely not a height of an ordinary woman).

So netizens started to discuss about this issue!

Things are getting creepier here,what do you think,is she a human?