Your outline works, but the emotional beats need to carry the scene—not just the revelations. Katsuro should never sound like he's explaining the plot. He should sound like a man dismantling two people without raising his voice.
Here's a polished continuation of your scene.
Writing
"So now you see," Katsuro said, his voice calm enough to be mistaken for indifference. "It was never live."
For several seconds no one spoke.
The words refused to settle inside the room.
"But..." Raina frowned, still trying to make sense of everything. She looked toward the monitor that had shown tens of thousands of viewers only moments ago. "...what about all those views?"
"The views?" Katsuro glanced at the frozen monitor before looking back at her. "Bots."
He spoke the word as though it were the most obvious thing in the world.
