The Honest Realtor

Both dramas mainly focus on the real estate business.
It is a story about the romance of a man who 'buys' a house and a woman who 'lives' in the house. Na Young-won is an editor of the monthly living magazine 'House'. Yu Ja-seong is the representative. The series tells the stories of the editors through House Magazine.

Both ML are successful people by using art of lie, but one day they can't lie anymore and are only able to tell the truth and it affects drastically their career.
Both are Comedy drama.

Office Setting, Workplace Setting, Narrating a profession, Telling the other side of a profession, A light-hearted story

Both involve leads who at one fine day start being honest. Both are very funny and well made. Both leads are well detailed.