The Orguss is an advanced variable mecha that can transform into 4 different modes which are fighter, gerwalk, tank and giant robot mode. It is Katsuragi Kei's mecha of choice. The Orguss was developed from the remains of another mecha called the AV-11D Bronco II after it was damaged beyond repair. It also has the arms and some components of an MLoverEmaan mecha attached to it.