Super Robot Wars Original Generation Gaiden - Storyline

Storyline

The Shadow-Mirror is destroyed, the Inspectors are defeated and the threat of the extraterrestrial Einst is over. Although it appears the Earth can enjoy a relative peace, something dark and sinister looms over the horizon. A relatively small and unknown conglomerate, Wong Heavy Industries, introduces its new mech for the Earth Federation Army, the VTX-001 Bartoll. However, as this unit is mass-produced, large number of civilians around the world go missing and giant, humanoid machines not of Earth origin appear out of nowhere and attack Asakusa City.

Like before, mysterious beings behind the shadows are at work again, along with strange, new forces distorting the laws of physics, space-time and reality. As former heroes confront these turn of events, new ones will emerge to stand up alongside them against the darkness. Familiar faces make a return, while some will appear most unexpectedly, as the Earth and its citizens find itself yet in another struggle for freedom and destiny...

Read more about this topic:  Super Robot Wars Original Generation Gaiden