NPC Desirability System
Increasing desirability level can be proceeded as following.
Touch [Main menu], then touch [Desirability] button.
Desirability menu displays the NPCs you can increase their desirability level.
You can find the NPC's info and their preferred gifts here.
On gift tab, you will find gifts that are available in your bag.
Giving gifts to NPC will increase their desirability level.
When the desirability level reached a certain tier, you will receive the letter from the NPC along with the rewards of each tier.
