"...The Phantom Thieves? Yeah, I've heard of them."

He knows them very well. Or... well, he did know them, he guesses.

"They fought to give people courage. To change the hearts of criminals. It was hard, but they kept at it. To make a difference."

Sure, it had its ups and downs, and it was a stressful time, but they helped people... and they settled things that needed to be settled.

"...Not sure what they're up to now..."

Probably living fanciful, happy lives, he guesses. Lives without him.