Gigantic Formula(機神大戦 ギガンティック・フォーミュラ)

Mechanical Gods' War Gigantic Formula, also known as Apo Mekhanes Theos Gigantic Formula, is a Japanese anime series that aired in Japan. The show was first aired April 4, 2007 by TV Tokyo, and ended its run on September 26, 2007. A manga adaptation by Shōhei Oka was serialized concurrently in Dengeki Daioh.