Blade of the Immortal (2019)

Rin and Manji chase after Kagehisa, but Shira attacks them and Rin is taken away. Manji goes to rescue her, and meets not only Shinra, but Renzou as well. Manji fights Shinra in order to rescue Rin. But astoundingly, what slashes at Manji is Shira's left arm, which should have been lost.