The first mass-produced B-grade heavy metal machine, it is widely used by both the military and civilians.

Its name comes from its designer, Alone Clamp, and there is another machine of the same model called the Gorongo, which has a different head.

In the main story, the rebel army uses captured machines to fight against the regular army. Mirau Kyao, Gau Ha Lessy, and Fanneria Am piloted them on those occasions.

It is also the machine used by Gabret Gabree when he first appeared, and he stated that he bought it second-hand. That machine was destroyed by El-Gaim at the end of the story, but he continues to use a different Alone after joining the Poseidal army.