Jiro had taken an "inactive" role during the course of the battle. While everyone else was battling the creatures, Jiro had merely observed the battle from a safe spot. This was not something you saw everyday. The others seemed to just put on their armor and fight these... things without asking a single question. Jiro had several hundred on his mind.
What was this armor?
What were these things that they're fighting?
What the hell is going on?!
"Well... I should help anyway. Now, how does this thing work?" Jiro pulled his Input Cardgun from his holster, giving it a quick lookover. Then, he pulled a random card from his card case and slowly slid it into his gun. Then, he pointed it at a lone insect creature.
"Er... fire." Suddenly, a giant tornado shot out from the gun, sending Jiro flying backwards... missing the insect completely. Instead, the giant tornado smashed into an insect creature that flew high above, knocking the creature out of the air and sending it into a tailspin toward the ground. Jiro lifted himself from the ground and gazed at the flying insect as it smashed into the ground, twitching slightly before becoming still.
"Dude... did I do that?"