Second Eldest

Min Yoongi is from daegu, but he moves to Seoul alone after transferring to Seoul national university in his third year, where he meets his six cousins, whom he has never met before.

Surprisingly, the six cousins are the sons of Korea's biggest business tycoon, Mr.Kim Gwangsoo, who is actually the biological elder brother of yoongi's mother, Mrs.Min Eunja.

How come yoongi never knew that his mother had a brother? What must have happened in the past for his parents to ask him to stay away from his cousins? And what will happen when the six brothers suddenly start getting closer to him as if-

They know something about him that he doesn't?