At an international school, to be precise at school, Kang Sae-ri International School (the most elite school for conglomerate children, has several well-known universities in small towns and big cities) one day, Aonghus together, his five friends, Lee Wonseok , Areksa " Eksa " , Dion , Nolan and Gerry to be precise in the principal's office because Aonghus and his five friends were causing another tantrum, namely a brawl at school

"Blasts Again, BLASTS AGAIN!!!!!" said the principal