Initial Containment Object: Ouroboros Sky Snake

All executives know that there is a mysterious entity in the real world. No one knows its origin, and no one knows whether it even exists. They could only get a glimpse of it from some ancient books and the legends of the old people. It was a snake, the first and last contained object. The unfortunate fate caused a group of teenagers to encounter the tail-swallowing snake, and as a result, there were slight deviations in the life trajectories of the teenagers. One of the twin sisters would eventually die, the timid teenagers would become slaves of desire, and the teenagers who were searching for their destiny were influenced by fate... An endless death led Adams to enter the Abnormality Bureau, where he came into contact with monsters called containment objects. No one knew how they appeared. Everyone only knew that the imprisoned monsters could not be allowed to break through the containment no matter what. Once the monster escapes, death will engulf the entire city again... As time passed, Adams' research became more and more in-depth, and finally, in an accident on the island, he discovered a corner of the truth. The monsters they have been studying for so long were once, and would be, living people...