Vivy: Fluorite Eye's Song season 1 episode 10
Episode title: Vivy Score – Singing From My Heart
“I fulfilled my promise, Diva.” It has been five years since Vivy has returned and Diva has disappeared. Vivy is being exhibited at the AI museum, and is faced with her defect of being unable to sing. When Matsumoto appears before her again, she finds hope in taking part in the Singularity Project, but he informs her that the project has been completed.
