The Seven-Colored Strange Moon

At the start of every cycle, strange celestial phenomena appear: a seven-colored moon. Radiation from the moon triggers large-scale mutations in humanity, giving rise to a new human race. A new order of civilization will gradually take shape, while the old one slowly fades into oblivion...

After killing a mutant to save a young woman trapped in danger, Shen Yu begins to undergo a terrifying mutation, starting with his left hand...