I Evolved from Cells

In the year 703 of the Era, advanced cosmic civilization invaded the universe where the earth is located. Due to backward technology, the earth's organizations united with many galaxies to jointly resist foreign enemies, but they were still insignificant in the face of absolute strength. After the Big Bang, the world is quietly changing. There are many rubbles floating in the universe. The male protagonist is a microorganism, a product of pre-biotechnology... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.