Born in the Asuka era in Japan, ninjas were just to collect information at the beginning. A long time ago, the centralization of Japan gradually weakened, and warriors, rich people, monasteries and other forces in various places competed for land and power, and wars occurred frequently. In such an environment, ninja, as a special strategic resource, has been valued and utilized by all parties.

NINJA was born in the encrypted world, which not only inherits the core ability of ninjas, but also inherits the high-quality meme culture. NINJA is to oppose the centralized rule and develop freely in the encrypted world.