Since ancient times, deep in the secluded forest, the lost "Record of Beast Patterns from Another World" is said to be able to awaken all kinds of sleeping monsters. Xuanyi, wandering alone on the edge of the human world and the weird world, is the last keeper of the old clan. One night, he found fragments of pages in a dilapidated temple, only to find that every description of monsters gradually appeared in reality, blurring the boundaries between the human world and the wilderness. While Xuanyi is pursuing the integrity of the code and trying to prevent monsters from invading the world, he is also struggling with the wild desire to awaken his own bloodline. His journey is not only a search for the truth, but also a test of human nature: Should he protect mankind, or obey the call of the ancient code? Monsters are not simply evil, they carry lost memories and unresolved bonds. Xuanyi must identify himself and choose his way back amid the monster's trail.