Seven Demon Kings: the Demon King of Revenge

In ancient times, the God of Creation created countless dimensions and worlds; but the Demon King of the same era, Cairo, was not convinced and used his magic power to create 7 Demon Kings; Demon King, Demon King, Demon Emperor, Demon Emperor, Son of Demon, Flame Demon and Dark Emperor. However, due to the amazing strength of the 7 Demon Kings, the Creator God sealed it with his own life; Dark Emperor, Demon Son, and other Demon Kings sealed other dimensions. But one night; the Demon King who regained his memory; the Demon King; the Fire Demon; the Demon Emperor; the Demon King; the 7 gods who were resurrected with their lives in conjunction with the Creator God. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.