Kidou Senshi Gundam: Giren no Yabou - Kouryaku Shireisho

Kidou Senshi Gundam: Giren no Yabou - Kouryaku Shireisho is an update to Kidou Senshi Gundam: Giren no Yabou. It is an "append disc", thus relies on a copy of Giren no Yabou to function.