==Appearances== ===In the Xenosaga series=== The name `KOS-MOS` is a recursive acronym used to denote an anti-Gnosis tactic system. It stands for `Kosmos Obey Strategical Multiple Operation Systems`. Her development name is `KP-X`, and she is self classified as a `Special Humanoid Anti-Gnosis Annihilation Weapon`. Her serial number is `00...