Sealed 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. Use to obtain Common Tongue Textbook - Joyful Tone. Right-click ※ Caution: Cannot use on already registered Fairies.

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