[Having no reason to distrust her, Yuuto starts to relax. He'll still be mindful of how he talks going forward, but at least his spilled secret is safe.]

Oh, in that case! You should seek out the Shrine of Curiosity. It's actually a library and the attendants there are really helpful.

[He may not want to blab anymore secrets, but Yuuto does want to be helpful. So he searches his brain for something safe and useful to tell her.]

This city has changed a lot since spirits were acknowledged, but if you need a break from the 'magic' then you should go the bottom level. It still looks like it did five years ago.