One of the old men smiled and brought out a half-palm-sized wooden card. He handed it to Felix. "This is our association's identification card. It's custom-made. You see this small hole? There's a bug inside of it."

Felix inspected it carefully and found a small hole. He wasn't sure what the bug did, however.

"When you're in danger, or when someone forces a body check, just break the card, and it'll turn to dust. At the same time, your closest ally will sense it, and the bug will come out of i