Guyver Bioboosted Armor 1st Appearance Monthly Shonen Captain 1985 #1. This is the inaugural issue of Monthly Shonen Captain, first published in 1985 by Tokuma Shoten. This issue features the debut serialization of Yoshiki Takaya’s Bio Booster Armor Guyver, marking the first appearance of the series known internationally as Guyver: The Bioboosted Armor.
