Ken bares his fangs, bristling all over, and for a moment it looks like Ken might attack Ryohei just because there's no one else around to take out that much rage on. He almost vibrates with it.

Impressively, he manages to compress enough of it into a verbal snarl that he's able to vent that way. "They hurt Kakipi!"

If Ryohei's not familiar with that particular term of endearment, they're going to waste a minute or two longer while Ken has to explain.