Ji woong and his friends vandalize the PowerPoint for the assembly but this time without being told to spend the rest of the school year serving detention after school

Transcript
[Ji woong and friends are on the computer]

Ji woong: "Guys, this is going to be a blast!"

Mi-Yung: "Replace everything with everything bad. After this, we will escape using the plane and we will go to Australia."

Ji woong: "Perfect idea."