Adds the new map "Secret Research Area Aladissia" to the Auruma region.
This content features a new story following a secret plan, as well as an expansive field and new gimmicks.
Work with your companions to bring the secret plan to light.

Note:
- In order to access the additional map, you must first clear the main quest "An Inexplicable Sight."
- This product is part of the "Atelier Yumia Season Pass." Please be aware that there are other products which contain this content. Be careful not to make duplicate purchases.
- Please check the official "Atelier Yumia" site for details.