In the north and west of the Netherlands, there is an Aruz kingdom. Unlike Ahlander, where there is no advanced mechanical technology and alchemy, there are many small countries in underdeveloped areas. The king of Aruz is a good friend of King Alan. He hoped that Ahlander could give some help to Aruz, and tottoli became a member of the Ahlander delegation to help the development of the Kingdom of Aruz.
In the first meeting with Totori, Meruru, princess of Aruz Kingdom, was moved by Totori's alchemy. In order to become an alchemist, after a whole struggle, she joined Totori's door.