The three brothers discover that the human experiment banned after destroying the "Orochi", is still going on to secretly revive the evil snake. They also find out that some ex-members of the Yamainu (the Japanese military unit formed to kill the snake) are behind this conspiracy. The brothers fight together again in a battle against the military.
Visual Effects
Orochi revival sequences hit that gross-beautiful sweet spot.
Acting
Yuki Kaji's Soramaru finally snaps and it's *chef's kiss*.

Director
Tetsuya Wakano
Trivia, insights & behind the scenes
This chapter adapts content from the 'Gaiden' manga spin-off, not the main series—explaining why it hits different emotionally.
The Orochi's cyclical resurrection mirrors real-world fears of fascist ideology returning under new banners—heavy for 57 minutes of anime.
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