Decepticon Christine & Shatter x Male Reader 18+

(What if Christine the killer car was secretly a Decepticon) In 2019 instead the Covid-19 breaks out it was a Zombie Virus but only the US is infected not the whole world. The First female President Ava managed to flee to Los Angeles and set up a government in exile behind the Rocky Mountains and they set up a wall to keep the Zombies out But in 2020 the Ava was overthrown by a military coup lead by General Ash he killed Ava. General Ash set the America Patriot Union and quickly became a Military Dictatorship. But Ava's son Mason managed to escape to the Zombie Wasteland now it's 2023 two years after the coup and Mason is on his own until he stumble on two beautiful cars.