Muv-Luv Alternative anime
in 1973 the arrival from an extra-terrestrial form, known as the BETA started a war which has brought mankind to the brink of extinct. In order to combat the BETA’s immense power in numbers, humanity has come up with the humanoid weapons called TSFs. They have deployed them in the front line during the Anti-BETA War all across the world. But, humanity has lost the vast majority of Eurasia to the greater numbers of the BETA. For more than 30 years, humanity has been enmeshed in the battle against BETA without any prospects of a future.