Doppler has set up a trap for the Jasdam, and it is up to the Danguard Ace to save it. (Source: AniDB)

Short episodes streamed on the anime's official site after every episode, giving background information about the show.

A pilot film streamed on the anime studio Toei Animation's website. The female leads in the film are dressed as various famous robots in Toei's anime catalog—the girls are personifications of robots in the Gaiking ("Gai-chan"), Magnerobo Ga-Keen ("Gacky"), and Superhuman Combat Team Baratack ("Bara-tan") and the newly added character is from the anime Planet Robot Danguard Ace. (Source: ANN)

Marion is a young schoolboy who prides himself on his adherence to a philosophy he calls "rationalism". Because of his disdain for emotional display, he ignores anything remotely akin to affection. But when he's entangled in a romantic affair with an older courtesan, his rationalism is revealed to be little more than a cover for his own emotional immaturity. Learning to love, Marion blossoms under his older lover's care but unfortunately, Marion has yet to learn the true price of the affair.