From Tips and Tricks magazine:
1. when you finish the episodes in every area except bevelle, you'll be given the mascot dresphere in chapter 5!

You have to get an episode complete in Mi'hen highroad.
Meaning you have to get someone accused of the Rin thingy.
:mog: :mog: :mog: :mog: :mog: :mog: :mog: :mog: :mog: