My Unfortunate Boyfriend (2015)

Description:

Yoon Tae Woon is a man who believes in living truthfully, so he is honest to a fault. On the other hand, Yoo Ji Na is a woman who has no qualms about lying to get what she wants. She is just starting out at a corporate job, determined to succeed at any cost. The drama will demonstrate how their unlikely romance turns out to be true love.