Demon Slayer Age: the Strongest Blade

In 2250, mankind has already entered the galaxy era. But in today's highly developed world of science and technology, an extremely retro way of practice has flourished. That is - breathing method. At the same time, in order to alleviate population pressure, the Galaxy Government transformed various planets in the solar system and carried out space immigration. However, over time, these space immigrants gradually broke away from the control of the Galaxy Government on Earth and began to become restless. At this time, a large number of creatures called "ghosts" began to appear among humans! They feed on people. The more people eat, the stronger they become, and their numbers increase day by day. Humanity rose up to resist, using fighting skills derived from breathing methods and the mysterious sun ore unearthed to create a group of demon-killing alliances across the galaxy. With this, the prelude to the Demon Slayer Era officially begins... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.