Human Calculator

You are [Character name]... Right? Calpheon's rising hero. I was wondering who Master Encarotia was going to send as a messenger. Your reputation precedes you, and my trust in you has already found its place. He has tasked me with finding a forbidden book. But I feel that it is beyond my abilities. One must not be seen so much as touching it, lest they be thrown into trial for heresy. I wonder who in Calpheon would risk keeping this book. For now, I have a letter that Master Encarotia wrote for his niece, Nella. Please take it to her.

I've done all I could, but it's definitely not in Calpheon. I swear!

10% initial interest and 10% compound interest every 10 days. Ah, you're not here to borrow money? Then why are...? Huh? [Character name]!! Why is the hero of Calpheon walking around so casually? Wait! The path you came from...did you just see Annolisa? I knew my uncle had something going on with her. Tell me! What's their connection? Is it...It's not what I'm thinking is it?!