In 2056, scientists discovered a "brain universe" in the human brain that is deeper than the real universe. The "brain universe" crisis hidden by an ordinary bus accident in Baiyang City, China is far beyond everyone's imagination.

A seemingly ordinary traffic accident led to multiple forces being involved. While everyone rushed to investigate the truth a series of unexpected situations broke out. The crisis hidden behind the unsettled case exceeded everybody's imagination...When human beings are busy exploring their limits, they are not aware of standing at the crossroads of evolution once again, and a magnificent Big Era began.—Bilibili

Black Gate presents a story where humanity is at the brink of evolution and explored fascinating themes about human life, our strengths, and weaknesses, our morals, and philosophies. Furthermore, this is a story that tells a tale of a new age, the dawn of a new era that started most unexpectedly and casually.—Yu Alexius