Some players were confused about what to do after acquiring their first material. So, I added a reminder and hint for this moment! Now building the undead dorm of your dreams is easier than ever~~ 🦇💕

This update also fixes various errors, typos, and display problems:

1. Adds reminder and hint on acquiring first material.
2. Improves Book icon.
3. Removes books from inventory on returning them to the library.
4. Fixes error causing Book of Mercury to reappear.
5. Fixes collision error in Echoing Vaults.
6. Fixes miscolored tiles in Windswept Rooftops.
7. Fixes reference to Madge’s name in post-flowerpot dialogue.
8. Fixes typo in Irena dialogue.
9. Fixes typo in closing cutscene.

Thanks to those who reported errors! Please keep those reports coming! :D