Chikyuu Bouei Kigyou Dai-Guard (TV Series, 26 episodes, AniDB)

Requested before Jun 2019

Twelve years ago, an alien force known as the Heterodyne attacked earth. In a defensive response, the government contracted to have a robot built to help defeat this monstrous foe. The contract was awarded to the lowest bidder, the Heterodyne never reappeared and now the idle unused Dai-Guard has been assigned to the corporate marketing department as the central attraction to a theme park. And when a Heterodyne does reappear, it falls upon three marketing department employees to activate the Dai-guard robot and engage the enemy. The rash and impulsive http://anidb.net/ch31815 [Akagi] and a reserved and refined http://anidb.net/ch31817 [Aoyama] team up with http://anidb.net/ch31816 [Ibuki], a long time coworker and friend, to engage and defeat this alien enemy. With a profit/loss margin in mind, the company decides to create a new marketing department sub-unit, designed to use the Dai-Guard robot in the defense of Japan. The work relationship between Akagi, Ibuki and Aoyama allow them to be the best of friends, and a most troublesome combat team. Office workers saving the world!!