[Did it work, ultimately? He has to actually think on that. So much of what he had been trying to do for those long years was erased in a moment by Vergo. But enough got back to Sengoku, to Tsuru who hunted his brother ruthlessly with the intel on his location.

Besides, yes. He did infiltrate the group for years. Clearly, it worked and he's being as hard on himself as he always does. He levels his eyes with Kuai's, then nods slowly.]

My brother is a criminal. He made me his second-in-command when I returned to his side. I'd say it worked better than I had expected.