The MS-06FZ Zaku II Kai is a mobile suit introduced in the OVA Mobile Suit Gundam 0080: War in the Pocket. The Zaku II was one of the second-phase production MS that have been improved by the United Maintenance Plan. The performance of the Zaku II itself has begun to deteriorate due to the appearance of Federation MS and the development of new models by its own forces, so it has been tuned up by feeding back data from new models. In addition, based on the results of the renovation of the MS-06F