Cat01 is an employee of Gattacat Corp, a private company dedicated to genetic research, pharmaceuticals, medicine... The company is known by all for its size and for its, well known, dubious morals.

Cat01 has worked for the company for some years in the genetic R&D sector, but has recently been relocated to the Genetic Operations department, also known among those who work there as "The Nest".

Every employee who works in El Nido has to sign a special confidentiality contract promising not to disclose anything that happens or is being researched there. The operators who work there say: "What happens in El Nido stays in El Nido.