John Marston is a man who runs from his past. Famous outlaw and gunslinger, former member of the infamous Van Der Linde gang and family man. After hunting down his former gang members across the United States, and Mexico, John attempts to finally settle down with the family he had desperately fought for. When a strange, unknown plague ravages across the state of New Austin and Mexico. John immediately springs to action once his family succumbs into being bloodthirsty and flesh-eating monsters. However, during his exploits in Mexico Mr. Marston encounters a creature of high intelligence and wit. John isn't very surprised given the circumstances.

A Red Dead Redemption X MLP:FiM one-shot and crossover. No prior knowledge of any of the games is required, aside from the description.

This story has an audiobook now thanks to user: https://www.fimfiction.net/user/15759/The+Mystery+Fluttershy+Fan

Check it out: https://youtu.be/HlAV_86vTLo?si=oVbDNIitpY3S5VvE