"God Bless Dancougar" is a four-episode OVA series that serves as a sequel to the 1985 mecha anime "Choujuushin Gravion Zwei." The story is set in a world where humanity faces threats from alien invaders known as the Zorbados Empire. The narrative centers on the Dancougar team, a group of pilots who operate a powerful combining mecha called Dancougar, designed to combat these extraterrestrial forces.

The series begins with the Dancougar team disbanded after their previous victory over the Zorbados Empire. However, the peace is short-lived as a new faction within the empire, led by the ruthless General Gildo, emerges to continue the invasion. The team is reluctantly reassembled, bringing together the original pilots: Shinobu Fujiwara, Sara Yuki, Ryo Shiba, and Masato Shikibu. Each character carries personal struggles and unresolved tensions from their past battles, adding layers of conflict to their interactions.

As the story progresses, the team faces escalating threats from Gildo's forces, which employ advanced technology and strategies to overwhelm Earth's defenses. The narrative explores themes of unity, sacrifice, and the psychological toll of war, as the pilots must overcome their differences and personal demons to effectively operate Dancougar. The mecha itself plays a central role, with its combination sequence and powerful attacks serving as key elements in the battles against the Zorbados Empire.

The OVA delves into the moral complexities of warfare, particularly through the character of Gildo, whose motivations and methods challenge the protagonists' resolve. The series also introduces new allies and enemies, expanding the scope of the conflict and raising the stakes for the Dancougar team. The climax involves a high-stakes confrontation that tests the limits of the team's cohesion and the capabilities of Dancougar.

"God Bless Dancougar" maintains a focus on character development alongside its action sequences, providing insight into the emotional and psychological struggles of the pilots. The series concludes with a resolution that ties up the immediate conflict while leaving room for future developments, reflecting the ongoing nature of the battle against the Zorbados Empire. The OVA serves as both a continuation and a standalone story, offering a blend of mecha action and character-driven drama.