Summary
Seventeen-year-old Shou resides with his father and harbors romantic feelings for Mizuki, the sister of his best friend, Tetsuro. While walking home from school with Tetsuro, the pair hears a sudden explosion and decides to investigate. During their search, they discover a Guyver Unit, which attaches itself to Shou. This transformation turns him into a superpowered humanoid who subsequently becomes known as Guyver I.
