During a battle between a Worm and a group of Zanki (insect-like humanoids who serve as the Worms' underlings), Shotaro's right arm is severely injured. He is saved by a mysterious old man named Tengan Ekoji, who gives him a magical device known as the "Driver" and a "Zapping Ghoul" card.
Kamen Rider Kabuto Episode — 1
During a battle between a Worm and a group of Zanki (insect-like humanoids who serve as the Worms' underlings), Shotaro's right arm is severely injured. He is saved by a mysterious old man named Tengan Ekoji, who gives him a magical device known as the "Driver" and a "Zapping Ghoul" card.