Many years later, technology will be so advanced that humans no longer need to go out, items can be delivered to homes, and everything can be done by robots. Human beings can gather together without meeting each other. You can send your consciousness to the gathering place through tools. Appearance can be changed at will. Sound becomes the only thing that can be distinguished. Likewise, sound can become the most powerful weapon, the same transformation tool. Individual voice abilities are different, as are the killing power and distance. Sound also has healing and analytical powers.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
