Live action TV
Description
Nenji Kashiwazaki, also known by his shinobi name Okina, is a supporting character in the live-action film Rurouni Kenshin Part II: Kyoto Inferno. He is an elder member of the Oniwabanshu, a group of ninja who served the Tokugawa shogunate during the Bakumatsu period. During the years leading up to the Meiji Restoration, Okina commanded the Kyoto branch of the Oniwabanshu, tasked with monitoring the revolutionary activity that was spreading through the city. After the shogunate fell and the Edo period ended, he largely retired from active ninja work and settled into a quieter life as the proprietor of an inn in Kyoto.

Okina is a strong fighter and a skillful strategist. He is known to be one of the few individuals capable of matching the former Oniwabanshu leader in combat. His weapon of choice is a pair of steel tonfa, which he uses to block and deflect sword strikes with considerable effectiveness. Despite his advanced age, he retains a sharp mind and a calm, authoritative presence. He is not quick to panic and approaches threats with a measured, experienced perspective. His personality reflects the pragmatism of a former spymaster he is cautious, perceptive, and protective of those under his care.

His primary motivation is to protect the remaining members of the Oniwabanshu and to safeguard Kyoto from the chaos that Shishio Makoto threatens to bring. He is deeply invested in the well-being of his younger charges, particularly Makimachi Misao, an aspiring ninja who looks up to the Oniwabanshu legacy. Okina takes her under his wing and allows her to stay at his inn, acting as a guardian of sorts. When Kenshin Himura arrives in Kyoto seeking help, Okina agrees to shelter him, recognizing the gravity of the threat posed by Shishio and his forces.

Okina's role in the story is that of a mentor and a gatekeeper. He provides Kenshin with a safe base of operations and offers crucial information about the local situation. He warns Kenshin about Shinomori Aoshi, a former lieutenant of the Oniwabanshu who has now made it his personal mission to kill Kenshin and prove himself the strongest man in Japan. This creates one of Okina's most significant relationships his history with Aoshi is marked by deep disappointment and sorrow. Aoshi was once his pupil and a promising leader of the Oniwanshu, but their paths diverged when Aoshi became consumed by his own ambitions.

The key moment of Okina's development in the film comes during the battle against Shishio's forces. Understanding that Aoshi will try to interfere with Kenshin's fight against the larger threat, Okina steps forward to confront his former pupil himself. He challenges Aoshi to a duel, determined to stop him by any means necessary. The confrontation ends with Okina suffering a heavy defeat. This moment underscores his sense of duty and his willingness to sacrifice himself for the greater good, even against a former ally he once hoped would carry on the Oniwabanshu's legacy. His defeat allows the story to proceed toward its climax without his direct involvement, but his act of defiance reinforces the theme of standing up against misguided ambition.

In terms of notable abilities, Okina is a highly experienced hand-to-hand combatant whose tonfa fighting style allows him to parry and counter blade attacks. His tactical knowledge and familiarity with Kyoto's underworld make him an invaluable ally to Kenshin and the government forces. While he no longer operates as a full ninja, his instincts and battlefield awareness remain sharp. He is also shown to be a capable leader who commands the respect of the Oniwabanshu members who still follow him. In the context of the film, his abilities are most clearly displayed in his willingness to face a younger and arguably more powerful opponent in Aoshi, despite knowing the likely outcome.