The cast of the live-action Sakamoto Days has gained some new names. Shiono Akihisa has been confirmed as Kashima, while Watanabe Keisuke plays Natsuki Seba, two members of the dangerous organization X (Slur).
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In the plot, Faction X seeks to destroy the Japanese Assassins Association. Furthermore, the group begins hunting Taro Sakamoto, the legendary assassin played by Meguro Ren. Kashima draws attention for his eccentric appearance: an immortal cyborg with a reindeer head and weapons hidden throughout his body. Seba, on the other hand, emerges as an apathetic assassin, hired as a freelancer, who uses an invisibility suit to surprise his targets.

According to Shiono, the invitation to play a character with "a reindeer head" immediately sparked his curiosity. Meanwhile, Watanabe highlighted the balance between intense action and humor, a trademark of the adaptation directed by Yuichi Fukuda.
The film premieres on April 29, 2026, and adapts the manga by Yuto Suzuki, published in Weekly Shonen Jump. Therefore, the production promises stylized action, sharp comedy, and charismatic characters.
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Source: Natalie
