Desert, Steel, and an Old Man

Suddenly the earth split apart like jigsaw puzzle pieces, and then connects together without a trace of its original shape.
One day a man woke up in the desert, while still having no clue about what’s going on, he began to wander alone.
An enormous ship that runs on sand, Sandsteam.
A market where firearms are sold as if they were grilled chicken.
A Cyberbrain that I got my hands on in an unexpected turn of events.
Mankind has to survive in a world where Machine-beast (Mutant) roams the earth, a creature mixed between organisms and machines.
Where would the man go to in this devastated world?
That said, this is not a heavy-themed story, the man started to have fun while familiarizing himself with this near-future world.
Still, he has to earn a living somehow, so for now he became a hunter and helped people from time to time.
He’s not popular with girls, always getting dumped.
Travels through the desert armed with Gyrocanopy together with his Cyberbrain navigator buddy, A sci-fi adventure romance action filled with lots of old men!