This is an era when the comprehensive class-change system is just getting started. Classes are ranked F, E, D, C, B, A, S, SS, and SSS.
Then one day, Ye Mojun, an animal keeper,
causes a Chinese serow in his care to mutate into a divine beast. It forms a contract with Ye Mojun, granting him the SSS-rank class of Domain Lord.
But why has the full-scale class-change system suddenly appeared?
This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.
