Walking in the middle of a hallway during winter rain... you suddenly get ambushed by a swarm of violent monsters known as the Zoanoids.

Said Zoanoids are mutants created by an evil company known as Chronos, with one clear objective: Killing anything and everything.

HOWEVER?

UNLEASH MEGA-SMASHER!!

An almighty scream for afar is heard, alongside a powerful 100 megawatt blue beam which pulverizes many of the Zoanoids present!

When the dust settles... a silver-colored hero in a powered bioarmor introduces himself.

What's up fool! The name's Sho Fukamachi and I'm The Guyver!