This auction venue was designed rather differently.
Private rooms were not on the second floor.
They were on the ceiling.
One private room after another hung down from the ceiling, resembling a beehive arrangement.
Everyone knew that the auction item would ultimately end up in the hands of one of the people in these private rooms, but who that person might be remained uncertain. In any case, it had nothing to do with them sitting in the main hall.
...
"It's finally my turn!" said a young man with yellow hair excitedly as he handed a video camera to his friend. "Make sure you film me properly. I'm going to show this off in our friends' group."
"Make sure I look handsome."
Then,
The yellow-haired young man, wearing a suit, raised his number card 239 calmly and shouted, "I bid 20 billion!"
The 20-billion bid broke the deadlock!
"Nice!"
"Number 239 bids 20 billion!"
"Is there any gentleman who would like to bid higher?"
"20 billion, once!"