[And now it's Kokichi's turn to fall silent again, clearly giving that answer a lot of contemplation. He stares thoughtfully at Shuichi, like maybe he wants to push the subject, but...then he stands up, smile back in place.]

Ah, Saihara-chan, you can just say you don't want to tell me something next time. While that's perfectly believable coming from you, I doubt that that's enough to make you seem almost pained when asked about the subject. Buuut not wanting to tell someone like me something is pretty normal I think, so it's probably my bad for asking. Sorry.

[And he is apparently just letting it drop at that, moving to leave the office.]

I'm gonna go put these back while you grab the letter and the locations list! I feel super rested now, so I'm ready to take on anything! Let's go find this super lame secret base!