Petregenic

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Petregenic is a system origin for systems/subsystems/sidesystems/headmates who's formation is in some way related to pet regression. Examples of this could be:


 * A headmate forming in order to care for another headmate who age regresses.
 * A animal headmate forming after another regresses.
 * A headmate being created to hang out while regressed.
 * Anything else related to pet regression.

History
The term was coined by the Internet Gang on July 11th, 2023.