Jaejoong, Changmin and Junsu were the three cuties doing Bigeaststation 110.
Here's a snippet of it:
JS: How do we say this in Korean: "Changmin has been arrogant lately" (Breaks into huge laughter)
JS: So how do you say this in Korean...
CM: The content in the letter is just this?
JS: Yes, there's only this, nothing else. (Laughs)
JS: Changmin has been arrogant lately...
CM: Am I really that arrogant?