Son Na-eun

Poor and orphaned striver Eun Ha-won ends up living in a mansion with three constantly feuding cousins at the behest of their megacorporation-running grandfather, who pays her to teach the boys manners.

In the household of Lee Gyeong-jin, a high-ranking official of Joseon Kingdom, three sons die from an unidentified horror. A woman pregnant with a child of the third son soon learns of the evil spirit that haunts the house. (imdb)

A young woman going through a rough breakup with a long-time boyfriend and a man who had a painful first love, meet unexpectedly on Jeju Island. Upon their return to Seoul they remain acquainted due to their shared love of food and trying out new cuisines. When they dine out, they keep their private lives to themselves, not even disclosing their names (mydramalist.com).

Cha Young Min is a genius doctor but arrogant and selfish. One day, he gets involved in an unexpected case; his spirit possesses another doctor's body. These two doctors are complete opposites, with personalities and medical abilities. (imdb)

It follows a woman who became the first female executive in her group to make her way to the highest position. (imdb)

After his business crashes, a man disappears from his family for 11 years; when he makes a return as their wealthy landlord, a messy reunion ensues. The story of imperfect humans meeting as a family and dreaming of perfect love. (imdb)