Bio-Booster Armor Guyver: Heart of Chronos

This series, a one-shot from Viz Media, expands the Guyver mythos by delving into the history and inner workings of the enigmatic Chronos organization. Published in 1997, it offers a focused, standalone exploration of the group's origins and motivations, complementing the main Bio-Booster Armor Guyver storyline. For fans of the franchise, it provides crucial context for the series' central conflict.