Five years ago, as the Mimetic Beasts laid waste to Japan, Dannar Pilot Go saved young Anna Aoi's life. As they prepare to march down the aisle, a new Beast appears and Go is summoned into battle once more. But he's not going alone, not if his blushing bride-to-be can help it! If they can mate their robots' interlocking parts, they'll form the ultimate marriage of man, woman, and machine.