As Higan and Lil engage in combat, Higan achieves complete synchronization with his Gusoku Gear, known as "Kamui." Afterward, Yamaji finally orders Zai to eliminate Higan.

Higan mourns Emma's death when a letter challenging him to a duel arrives from Zai. Mike and Jason want to leak the data they hacked from AUZA to the public but discover they can't due to Emma's external memory drive being encrypted.

Higan wins his duel against Zai, but stops short of killing him. Joseph sends his mercenaries to attack the ninja hideout after cutting his ties with Yamaji. Meanwhile, Mike figures out the key to decrypting the data Emma left behind.

Dilly adheres to her original orders and protects Joseph by choosing to fight Yamaji. Higan has a surprise visitor who begs him to put an end to the contradictions of the ninja clan. Meanwhile, Mike has been captured at the FBI offices.

Higan and Yamaji engage in a final battle. Meanwhile, Mike tries to track down Joseph as he tries to flee the country.