Which Dream? (With Sungkyu and Eunji and other Infinite and Apink members)

Two normal people, two normal group. They both dream the same dream, to enter the "World of KPOP". Until two group, namely INFINITE and APINK have that same 'way' to travel. They both did their best. They try to be on top everytime they join some contest. They are number one rival specially their leaders, which is Kim...