The gallery next to the Return icon and when I click on Nancy, Dalia, or Nova and I click on their respective gallery icon I get the following...
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That's a known bug, actually. It got fixed on the PC version, but not on Android. You can either wait for Eternum 0.9 or you install my mod; it upgrades your game and hence includes all official bugfixes so far! If you want to play without guidance, the mod can be disabled in the game settings.