* Based on the manga with the same title which ran in Weekly Shonen Sunday for a total of 24 volumes by Aoyama Goushou.

Kurogane Yaiba has spent his days training in the jungle in order to attain his goal of becoming a real samurai. By a twist of fate, he returns to Japan and starts living with the Mine family, who are connected to his father, Kenjuurou. Yaiba constantly baffles the Mines' daughter Sayaka as she witnesses his wild and reckless ways. One day, Yaiba tags along with Sayaka to school and has a fateful encounter with Onimaru Takeshi, a kendo expert. Yaiba and Onimaru repeatedly clash, and as if in response to their search for strength, two ancient powers are unleashed: the Fujinken, the Wind God's Sword, and the Raijinken, the Thunder God's Sword. Both supernatural blades that have jolted the world since ancient days have reawakened...and the truth behind them is revealed!

Source: Official Website

Note: The first episode received an early screening at a special event on 2 March 2025 at United Cinemas Toyosu in Tokyo. Additionally, the first three episodes received an early screening at a special event on 13 March 2025 at TOHO Cinemas Shinjuku and 9 additional venues across Japan. The regular TV broadcast started on 5 April 2025.

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Alternative version: Ken'yuu Densetsu Yaiba