The real-life "trash" Lin Wan fell into the abyss of drug addiction during her graduation season. After an overdose, she opened her eyes and saw a giant wolf from another world bowing its head. The "ember fire" here can swallow pain, the source core of the contract beast hides the weight of the soul, and the butterfly tattoo on her wrist is transforming from a cheap tattoo into a symbiotic mark that travels between two realms. . . "Do you think I am saving two worlds? No, I just learned to dance with my own shadow." - Lin Wan