Dai-Guard: Terrestrial Defense Corp.

Thirteen years after vanishing without a trace, the alien Heterodyne make a shocking return, prompting a response from humanity. In a unique twist, three ordinary office employees from the 21st Century Security Corporation find themselves piloting Dai-Guard, a massive robot that has been relegated to the status of a mere relic. As they step into the cockpit, they must confront not only the challenges of defending Earth but also the reality that their mech is outdated and in desperate need of repairs.

Balancing the mundanity of corporate life with the high-stakes world of alien defense, these unlikely heroes discover that saving the planet requires more than just technical skills—it demands teamwork, ingenuity, and a dash of humor. In their quest to protect humanity, they navigate the complexities of their day jobs while facing off against a formidable extraterrestrial threat, proving that even the most unassuming individuals can rise to the occasion.