[Well... If Momo isn't saying anything about being on his own, that must mean he doesn't want to elaborate. The needle of Riku's perceptive to denseness scale falls a little toward the former, but Momo looks fine even though Riku has his doubts that being without Yuki and the others was that easy. On the other hand, pushing him to talk about sad things would just make both of them depressed, so...]

Pause? So then nobody knows that I'm gone either! If any of us disappeared without a trace, it would cause a huge scandal...

[He looks relieved, but the worry and confusion that were present on his face before are still hidden underneath it. As Iori reminds him far too often, he really does wear his heart on his sleeve.]

Um... Well, we played the brass band for your rooftop concert not long ago! Do you remember that?