(It was once a normal firefly. Until the crystal Skyfall happened. It came into contact with one of the crystals and mutated into an enormous bug Kaiju. G Force, a United Nations military group picked up the unconscious firefly and modified it into a weapon. One that can absorb and redirect energy at it's foes. They called it "Hikaru Mushi")

A Kaiju is terrorizing Tokyo. Crashing through building and destroying everything in it's path. Until the new weapons is dispatched to take care of the threat. HM-07 flies in, it looks towards the opposing monster before letting out a screech at it

HM-07: "KKIKIIKIIIIRRRRAAAAA!"