BAP・B.A.P scenarios [√]

Once Upon A Time #4

Once upon a time, there's a boy named Jung Daehyun. He was the most stupid student in his school. He failed all his subjects. One day, he wrote a formula that proved the world was wrong about him.

B.A.P - Bang Yongguk = 0

He is now one of the smartest person in the world.