Common Tongue Textbook - Joyful Tone

- Description: An elementary language textbook. Those who have studied it will be able to communicate in the common tongue using a joyful tone. Combine: Place Common Tongue Textbook - Joyful Tone and Serene Laila into a [-] shape. ※ Uncheck the "Auto Arrange" box in the Inventory to put items together. ※ Not all Serene Lailas can be combined. ※ Caution: Cannot use on already registered Fairies.

- Additional use requirements are not yet decoded; this is not a complete eligibility check.