Young Lady and Gentleman
https://www.youtube.com/watch?v=kmskxT5j8Pk&ab_channel=KBSDrama
Lee Young Kook is a widower with three children. He still hasn’t gotten over the death of his wife. He decides to hire Park Dan Dan as a live-in tutor for his kids and he becomes attracted to her. Meanwhile, Park Dan Dan has bright and positive personality despite her harsh situation.