Falling In Love With My Brother-in-law

Park Jihoon, the youngest son of the famous Parks. His father is a CEO of a big group whose brand names are everywhere. You cannot step out on the streets without seeing the group's name here or there for several times. Growing up with a silver spoon in his mouth, Jihoon never has to ask twice for what he wants. And he hates to ask twice. Besides, he likes playing with people's hearts and feelings.

Kang Daniel is Jiyoo's, Jihoon's older sister, fiance. They are always together, but everything is not what it seems.

Where do Kang Daniel's feelings and attention go to?