Sin witnesses his parents’ sacrifice and vows to confront Unika to learn her true motive.

Unika disrupts the peace ceremony, triggering a fierce clash as Sin tries to reach her true intentions.

Sin confronts Unika to prevent a new war, while Elphelt goes missing during a critical investigation.

Sin confronts his failures, Unika questions herself, and the true enemy's identity begins to surface.

Sin and Unika lose control as Future Nerville’s plan triggers a global Gear rampage.

Sin leads a final charge to stop Nerville as allies unite and the fate of the world hangs in the balance.

Unika and Sin face a pivotal battle that will shape their futures.