[ Alberto turns to Gokudera with an astounded look at that detail, as the four of them stroll along. ]

He had fire in his ears?! Whaaat? How? Machiavelli and Carlo both bite and scratch and attack me for no reason, but— they're just... cats...! Carlo's magic, but he doesn't have any fire! I mean– What happens if your cat rubs his face on you? Wouldn't his ears leak fire?!

[ That's... a really weird way to phrase if his ears set things aflame. ]