Zaibatsus are mostly Japanese, powerful multinational corporations that control entire economies.

According to Fox, zaibatsus are the dominant form of intelligence on the planet, a structure independent of the individual lives that comprise it. Their blood is information. Security teams protected their chief scientists and officials.

There was a secret war between the zaibatsus, with internal rivalries, corporate espionage, crossovers and defections. Corporate contacts were like specialized cells protecting the parent organism

The biggest is Hosaka. Maas Biolabs is unlike most zaibatsus, an atavism: small, fast, ruthless. Its blood is the talent of its people.