Myung was wary of his elder brother who had popped up at school. They were not on bad terms but were not the loving siblings either. Jonghyun's relationship with the Lee family was quite complicated since he was an adopted child and was never considered as good as the legitimate ones.
But then again, Prime Minister Lee was too busy to look after his children so all of them kind of ended up doing their own things. Myung's elder sister, Lee Hyeri, was the CEO of their family mining company while Jonghyun handled LN Partners. Myung was still in high school so he was carefree.