There was no reason to get all defensive over a joke. Such is because there's no bad intention. Nonetheless, if it's possible that an otherwise unnecessary misunderstanding is created, there's reason to go over this. Such is reflected in the scene where Lee Jong Won and Oh Hyun Kyung are sleeping together.

On the 34th episode of MBC weekend drama "Legend of the Witch" (script Koo Hyun Sook, director Joo Sung Woo) broadcast on Feb. 15th, Driver Tak (played by Lee Jong Won) had asked Son Poong Geum (played by Oh Hyun Kyung) to play the role of his wife.

On this day, Driver Tak met his family with Son Poong Geum. They had faked being a married couple for a day but Driver Tak was happy to be with Son Poong Geum whom he liked. Driver Tak's younger siblings didn't know about the hidden story and genuinely congratulated their eldest brother on his wedding. The meal was fine but the problem was the sleeping arrangements. Because they had pretended to be newlyweds, they were in the same room.

Son Poong Geum drew an imaginary line and told him to not cross. Because his siblings had thought that they needed to be together, the room was very warm. Son Poong Geum took her traditional dress off and went to sleep. Nonetheless, Driver Tak took notice of the situation and secretly snuck out to lower the temperature. Son Poong Geum got into Driver Tak's arms because she felt gold. Driver Tak said that she came over first and spent a night with her.