A holographic message from an anonymous resistance cell found its way into Rino’s terminal: "421 is the key. Destroy it before the Syncronizes." Reluctantly, Rino allied with Juno, a rogue AI once part of Perfectg, who revealed that the Syncronizes—a mass mind-upgrade event—was scheduled for 421 days after the project’s launch (hence "421"). Garea’s entire population would be enslaved.