TV-Series
Description
Okita Sōji served as a central member of Kyoto's Shinsengumi police force during the Bakumatsu period. Born in Edo around 1842-1844 into a Shirakawa Domain samurai family, he was orphaned young after his father's death in 1845 and raised by his eldest sister, Mitsu. He began training at the Shieikan dojo under Kondō Shusuke around age nine, displaying exceptional talent in swordsmanship. He earned full mastery (Menkyo Kaiden) of the Tennen Rishin-ryū style by approximately 18 and later became the dojo's head instructor.

He is portrayed with medium-length hair, lighter-hued eyes, and a dark complexion featuring high cheekbones and a flattened facial structure, standing an estimated 166-170 cm tall. His voice is noted as high-pitched. Typically seen in the Shinsengumi uniform with its distinctive cap and large shoulder cape, he favored subtle indigo-patterned kimono when out of uniform, reflecting refined tastes. He disliked waking early. Personality-wise, he exhibited a cheerful, humorous demeanor around comrades, often using jokes to lighten the mood. In combat and executions, however, he displayed ruthlessness, showing little sympathy. As a swordsmanship instructor, he was notoriously strict, short-tempered, and demanded high precision.

Within the Shinsengumi, he held the rank of Captain of the First Unit and served as a kenjutsu instructor. He participated in key events like the 1864 Ikedaya incident, aiding in the capture of figures including Shinsaku and Katsura. During this incident, he reportedly collapsed; conflicting accounts attribute this to tuberculosis onset or other ailments like anemia. His signature technique was the Sandanzuki (Three-Stage Thrust), involving rapid successive strikes to the neck and shoulders. He wielded practical blades like the Kaga Kiyomitsu, while legends about him owning the Kiku-ichimonji remain unverified.

He forged a deep bond with Kondō Isami, who accepted him into the Shieikan, and shared a brotherly connection with Yamanami Keisuke. Yamanami's 1865 seppuku, with Okita acting as his second, profoundly affected him. Documented evidence does not support a close relationship with Hijikata Toshizō.

His health declined due to progressive tuberculosis. Debate exists over whether symptoms first emerged during Ikedaya or later, but by the 1868 Battle of Toba-Fushimi, he was too ill to fight. He retreated to Edo for medical treatment, initially at Matsumoto Ryōjun's hospital and later a guesthouse under the care of his sister Mitsu and her family. Separated from the Shinsengumi during their retreat to Tōhoku, he died on July 19, 1868, in Edo. Reports suggest he remained unaware of Kondō's execution two months prior. His grave at Senshō-ji Temple in Azabu is restricted from public access following increased visitor interest after NHK's 2004 drama.

Fictional expansions consistently incorporate his tuberculosis as a recurring narrative element. In the *Bakumatsu Renka Shinsengumi* video game route, his deteriorating health forces reliance on a companion, Suzuka, culminating in a symbolic final sword act. The *Rurouni Kenshin* OVA and live-action film *The Beginning* depict him coughing blood during the Battle of Toba-Fushimi or Ikedaya, leading Saitō Hajime to take over his fight against Kenshin. These adaptations emphasize his anguish over physical decline and unfulfilled desire to die in battle.