Fire Braver originates as MAT, a fire-fighting Jobroid within the Tomica World setting. MAT functions as a high-performance android participating in the Braver Project, an initiative allowing Jobroids to integrate work vehicle characteristics. This capability enables MAT to walk alongside humans and transform into the enhanced Fire Braver state by combining with a specialized fire truck, achieving significant capacity improvements for firefighting and emergency response duties.

Fire Braver operates as part of a unit alongside counterparts like Police Braver and Medi Braver, responding to incidents involving renegade or malfunctioning Jobroids that threaten the Future City Technology Demonstration Special Zone. The character focuses on mitigating accidents or attacks stemming from the widespread integration of Jobroids into society, particularly those involving fire hazards or other emergencies.

Following the initial web series, Fire Braver continues operational activities into subsequent story arcs, including the "Dive Incident." This crisis involves Jobroids maliciously controlled by external forces, requiring coordinated efforts by Braver units to investigate and neutralize threats posed by antagonistic entities like the rogue Jobroid Ace. Fire Braver remains part of the core team confronting these escalating challenges.

Exemplifying the "Tokuso Gattai" (Specialized Combination Robo) concept, Fire Braver merges the Jobroid android base with an Armor Tomica fire apparatus. This combination enhances firefighting capabilities and structural resilience during operations. The character appears across all documented phases of the series, starting with the April 2022 web episodes and continuing through subsequent seasons, including the transition to television broadcast integrated into the *Tomipla World Norinori Times!!* programming block from April 2025 onward.