Mirai is a 16-years old shinobi from the "Hebijo Clandestine Girl's Academy". Mirai uses guns as weapon, and they are: "Alteisen", "Underskirt Heavy Machine Gun" (able to be used as a cannon), "Underskirt Rotary Machine Guns", "Orbital Strike Satellite". Mirai is 150cm tall. Mirai is insecure about her chests and height, she is a bit childish and very short-tempered. her hobby is target shooting and use internet. Mirai guardian is Pit-Viper, that she summons in combat.