Peace doesn't last three years in this world. The moment Takeru thinks he can put away the god-mecha and live like a normal person, the nightmare comes back, and this time it brings someone he thought was finished. Reactivating Susanoo isn't victory, it's admitting the war never actually ended, just paused.
Three years of quiet have settled over the village. Takeru and Oto finally rest easy, their brutal war behind them, but peace doesn't last. When a vengeful pilot returns with the mecha Shuranoo, destruction tears through their sanctuary and shatters any hope of a normal life. Takeru has no choice but to wake the sealed Susanoo, a power he'd hoped never to touch again. What emerges is messier than simple combat. Takeru must confront not just an external threat, but the darkness that comes with wielding that kind of strength. The real battle isn't just about saving Oto from immediate danger: it's about whether Takeru can accept what he becomes when he picks up the weapon again. The series balances visceral mecha action with the psychological weight of a warrior who thought he was done fighting, only to discover the war never truly ends. This is about reckoning with power, sacrifice, and the cost of protection when violence keeps finding you.