Produced by Production I.G and directed by Kazuya Nomura, the story follows Kaito Yashio and his friend Akiho Senomiya who work with their school's Robotics Club to build a giant working robot based on a popular fictional anime called Gunvarrel.
At the same time a mysterious group known as The Committee of 300 plots a global conspiracy involving a series of solar storms, which they ultimately plan to use to annihilate the world's population down to one billion and establish a single world government under their control.
The series aired on Fuji TV's Noitamina slot between October 12, 2012 and March 22, 2013.
[1][2] For episodes 1-11, the opening theme is "Junjō Spectra" (純情スペクトラ, Junjō Supekutora, Naive Spectra) by Zwei and the ending theme is "Umikaze no Brave" (海風のブレイブ, Umikaze no Bureibu, Brave of the Ocean Breeze) by Fumika.
Funimation Entertainment has licensed the anime for streaming on their website starting October 12, 2012.