In a world that relies on synthetic beasts to fight, Lin Wan, a girl at the bottom of the class, has formed a soul shackles with the ferocious giant beast Huangya, which was judged as a "failure" by the research institute - the beast's wounds feel as if they are physically present, and the pain is shared. The powerful regarded the synthetic beasts as consumables and playthings, and enjoyed the brutal killing feast in the Colosseum. When Lin Wan's Huangya suffered inhuman cruel treatment while performing a mission, Lin Wan's intense despair and anger drove Lin Wan to ignite herself, inspiring the violent soul of the synthetic beast to devour all enemies. After the filth was burned away, a cub with pure eyes was born from the ashes, guarding Lin Wan's disappearing bones and stepping into an unknown destiny with heavy fetters on his back.
