Nope. It's River and the Harpy Girl. River isn't written yet and the Harpy only has two scenes. Dunno why they're showing up like that so I'll have to fix it in the next content drop.
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they are showing up because the MC already met them - in season 1.
and you thought of setting the respective met variable to 1, same approach as with the secret chars in season 2.
ergo: all fine. and when you add new stories with them the met variable will organically grow and the chars disclosed in the book