There Was No Sky

Exiting the VIP lounge, Leon directed his gaze and Baron Grant and confidently said, "I heard you wished to talk to me in private?" 

Both Young Master Conrad and Baron Grant were startled by Leon's appearance and glanced back at the VIP lounge behind with doubt.

Knowing what they were thinking, Leon stated, "There's nothing wrong with the VIP lounge's sound insulation." 

Young Master Conrad was immediately relieved with a trickle of cold sweat. 

If there had been a problem with the sound insulation, it would mean that everyone inside the VIP lounge was disturbed by the commotion outside the entire time!

After he was relieved, a bigger question appeared in both his mind and Baron Grant. 

How did the prince find out what they were talking outside if there was no problem with the room's sound insulation? Did it not also imply that the prince still knew everything that happened outside despite the sound insulation?