Jungsoo and Heechul are non-identical twin brothers. They both go to Seoul high and hang with very different groups of people. Will a boy jeopardise their brotherhood? Pairings: Wonteuk Kyuchul/Sichul Hyukmin Kihae Yewook Later Pairings: Kangteuk Hanchul Sibum Eunhae Kyumin Zhoury