"They'll be fine." Probably. They were fine last time, anyway. What's more interesting to him is the claim that he seems happy. It's working, he thinks dryly—and then the rest of the sentence catches up with him.

"Huh. Was he sad back home?" Not that he doesn't fucking deserve it, but Ren kind of thought... he doesn't know. He doesn't know anything much about Akechi's world, really. But he's surprised Akechi knows that.