Genetically Modified Human Zero

In 2221 AD, human science and technology developed rapidly, and the artificial intelligence system "Spring" and intelligent robots served human life. One day, a meteorite fell from the sky, A terrifying mechanical symbiote was born. The end is coming and humanity is extinct. The protagonist, a genetically modified human being, Zero, travels through time and space to try to save mankind! An accident happened by mistake! How to face Zero? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.