

After the devastating earthquake, Susan Lewis lost her left arm while shielding her children. Her third son, Ash, went missing, and her eldest son and second daughter promised to honor and care for her. However, over twenty years later, they broke their word and tried to force Susan out of their lives. At this moment, Ash, now the CEO of the Stone Group, unexpectedly reunited with his mother, who had been cast aside.

As the Monster Age arrived and special abilities awakened, what awaited humanity was the end of the world. At the brink of the apocalypse, Frank Channing was sent back in time to the second year of the Monster Age. There, he awakened the Infinite Devouring System, allowing him to gain growth points by hunting the monsters. Along with it came a mysterious serpent-shaped mark on his arm. It could transform him into a powerful serpentine creature capable of wielding the very forces of the monster—seemingly tied to the secrets of the Blood Moon. From the system, Frank learned that he carried the mission of saving the world.