Dodging the surveillance, the young man reached a corner. Amid the faint sound of footsteps, he suddenly pivoted and burst forth. The routinely patrolling prison guard was startled by the shadow leaping out, and before he could make a sound, a deliberately lowered voice accompanied by a coin surfaced before his eyes—
"From now on, you can only make noise by quietly answering my questions."
"Okay." The prison guard deftly pocketed the coin in his pocket, and although his expression remained shocked, he lapsed into a slightly rigid state.
The training the young man had received involved not only developing defense and training perception, but also how to investigate information, how to use various tools, and—how to maximize the effect of the coin.
For example, his single sentence actually included three transactions: answering the question, lowering the voice when answering, and remaining silent.
