Kamen Rider Kabuto Episode 20

Tsurugi becomes the next target of the Phantom Thief Shadow, whose actual goal is to lure the Worm that only targets criminals out. Tsurugi causes a traffic accident which injures Jyuka, and so Soji punches him. After realizing Soji also has a sister, he apologizes. After destroying Sepultura Worm with Rider Slash, Sasword transforms into Scorpio Worm, the very Worm that killed his sister.