Zero Girls (ゼロガールズ, Zero Gāruzu): A quartet of female spies composed 01 to 04. 01 is armed with throwing knives, 02 with cards, 03 with double sword and 04 with yo-yos. Clue: (Red=01, Green=03, Purple=04, Black=02). Zero Girl 01 dies in a cave in episode 22. 02-04 survive until the final episode then were ordered to pilot the final robot. All 3 die after the robot explodes. These girls were somewhat similar to the Girls' Army of Uchuu Keiji Shaider and Keller and Mirror in the previous season, Denshi Sentai Denziman.