Modern girl Su Xiaomo traveled to a fantasy world and turned into a soft and cute hamster, and was bound to a "cute pet harem system". He thought that the rat's life was hopeless, but he was unexpectedly taken back to the Demon Palace by the ruthless Demon Lord Mo Lingyuan. In order to restore her human form and survive, Su Xiaomo had to complete various cute tasks issued by the system to attract the favor of outstanding men from all walks of life, but she unknowingly became the Demon Lord's favorite. As the storm in the Six Realms rises again, the mystery of Su Xiaomo's life experience is gradually revealed...
