Kai Kai, also known as Kai or Kaishi which means beginning in Japanese, is a munchkin cat and is also known as a form of yokai, a Japanese spirit, her original country was placed back in the Japanese forests. She had been living there, learning human speech, but was taken away by the FBI to get tested on, where her powers were triggered, killing over 17 scientists and 3 guards, catching all four eyes of Chi, SCP HD03. He was kept in a holding cell for questioning but was refusing to answer, and soon, he had breached his containment cell and freed Kai Kai to the streets of Brooklyn, where they would find more allies to survive with the FBI now chasing them.