The world was corrupted by the will of the game, its rules overturned, and humanity entered the era of universal class changes.
Ferocious beasts and monsters ran rampant! Countless secret realms and instances descended!
Only by becoming a class-changer and leveling up to grow stronger could people earn the right to survive and hold a place in society!
On the day of his class change, Chen Xuan became a Mage, but instead chose Beast Tamer, contracted a tentacle girl, and activated the Beast-Taming Simulator!
Generating scenario: The Origin of the Old Ones. Simulation begins!
"After one day in the simulation, whispers sounded by the tentacle girl's ear, and her Psychic Shock leveled up to Lv. 10!"
"After one week in the simulation, the tentacle girl swallowed a mysterious seed and transformed into an Old God Embryo Lv. 10!"
"After one year in the simulation, the tentacle girl fed on fear and evolved into Cthulhu, the Sleeping God, Lv. ???, shrouding the world in bizarre nightmares!"
This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.
