Volume 1: When Hiro's kindhearted brother, Tadashi, vanishes through a portal to save him, the boy genius is devastated. But his big brother left something to help Hiro cope with his loss--a personal health-...

Ray Bramasakti did not expect that while on an excursion with Rena, a meteor fell near where they were sitting. From within the meteor emerged an alien creature who was being surrounded by a horde of monster...

Sho and his friend, Tetsuro, stumble upon a strange orb-like mechanism, the Guyver Unit, in the woods. It physically bonds with Sho and turns him into the alien soldier, Guyver. His mission is to protect the...