While exploring a secret base that he literally fell into, Naruto finds something that will change the course of the future... Beware all enemies, the Guyver has activated!

While on a mission with Tsunade Sakura finds the fifth Bio-booster unit and fuses with it and after Naruto's return her and Naruto meet two boys who are fused to Bio-booster units also and now a new battle begins. Rated T for some violence and mild gore.