Sunoo was a junior highschool student and so were Ni-ki and Sunghoon. Sunghoon and Ni-ki have liked Sunoo at the same time and were trying to win him, but unnexpectedly, sunghoon and Ni-ki fell in love with each other. But kept it from Sunoo and still made Sunoo feel romantic excitement. Until, Sunoo found out about Ni-ki and Sunghoon's relationship. So he shut himself out from the two