ni-ki who this really athletic hockey player in seoul academy high school , in second year with kim sunoo , ni-ki who was always a popular dude spends his time skating .. sunoo was kinda opposite with ni-ki who’s more like an art student type , spends most of his time in the art room alone during day times .. painting about his day , somehow both ni-ki and sunoo were friends , no one knew why but in reality they were childhood friends since grade 2 , causing them to grow up together .