Project Ultra Arc

The "Project Ultra arc" (プロジェクト・ウルトラ編) is the sixth story arc in the Silver Days series. Serving as the first part in the overall "Era Corporation Saga," it is preceded by the Kingdom Island Arc and is followed by the Vs. Super Soldier Arc.

Taking place one month after the Kingdom Island arc, Silver is in hiding, now in West City, and away from his friends. When villains begin attacking, Silver decides to battle the Era Corporation to stop them from interfering in his plans to rule the country.