In this special Kamen Rider Saber Spin-off Series, the backbone of the Sword of Logos organization, Kamen Rider Slash will be revealed, alongside the biographies of all the other swordsmen of the Sword of Logos! All 4 episodes of the Spinoff Series will be distributed via TELASA every week starting from November 8th in tandem with the series as it airs!
Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.
The Book of Ruin, which should have been sealed, is released along with the mysterious immortal swordsman, Bacht. Darkness overflows from the book, causing the real world and Wonder World to disappear. Touma Kamiyama, alongside members of the Sword of Logos, challenge Bacht to a decisive battle in order to stop this situation.
