Commander Tsukikage commands Blue Fixer, a military organization charged with Earth’s defense against the extraterrestrial Aldebaran invasion. He directs operations utilizing the advanced mecha Baldios, devising countermeasures against enemy tactics such as subspace incursions and artificial sun deployments.

In the TV series’ climax, he executes a heroic sacrifice, piloting the radioactive core of the World Union submarine base into the Aldebaran fleet. The detonation annihilates Gattler’s forces and claims his life, temporarily repelling the threat while triggering catastrophic tsunamis and environmental collapse across the planet.

The film adaptation revises his fate, omitting his initial demise and extending his role into the final conflict. During the movie’s climax, he joins Blue Fixer’s desperate assault against the S-1 armada near Jupiter or Saturn. Though his survival diverges from the series, he meets his end in this battle, with altered circumstances surrounding his final actions.

Both iterations depict his unwavering leadership, marked by strategic acumen and a resolve to secure victory at any cost, even his own survival. No expanded backstory, supplementary media appearances, or additional development beyond these events is documented.