Locked up in a Temple for a long time. Jace was released by Anita who was trying to write a project for her history class so has to be able to join the school play.
Jace gave Anita his fox bead in other to save her after falling from the top of the mountain.
Jace followed Anita to her school and started living with her because of his fox bead that with Anita

My boyfriend is a nine-tailed fox

Anita’s heart hammered in her chest as she knelt in the center of the temple, the elder’s gaze piercing her very soul. The Trial of the Spirit had shaken her to the core, but she had passed. She had faced her deepest fears and come out stronger. Now, the next step awaited her—one that would reveal the full extent of her connection to the Threads and the fox bead. 


The elder’s nine tails twitched, and a soft, ethereal light surrounded him. “You have proven yourself, Anita,” he said, his voice like the sound of a distant wind. “But now you must understand the full weight of your destiny. The Threads have chosen you for a purpose far greater than you can imagine.” 


Jace, still standing at the edge of the chamber, stepped forward cautiously. He seemed tense, his usual confidence shaken by the gravity of the moment. “What do you mean? What is her true purpose?” 


Çhapter 116: The truth revealed