The Bakumatsu Puts Kenshin and Saitō on Opposite Sides of Kyoto
Ishin Shishi · Tokugawa Shogunate · Political Violence
The Bakumatsu conflict behind the series is not simply "samurai versus modern Japan." Kenshin works for pro-Imperial revolutionaries seeking to overthrow the Tokugawa regime, while Saitō and the Shinsengumi police Kyoto for the shogunate.
Why it matters
By 1878 the Imperial side has won, yet the series keeps bringing former enemies back into the same rooms. Political victory settles which government exists. It does not settle what the people who killed for either side should do afterward.
Aku Soku Zan Is Saitō's Code, Not Kenshin's Opposite Catchphrase
Slay Evil Immediately · The Principle He Carries Across Eras
Saitō summarizes his personal code as Aku Soku Zan: slay evil immediately. He does not abandon that principle when the shogunate falls. He simply carries it into his work for the Meiji government.
Why it matters
Kenshin and Saitō survive the same war by reaching opposite conclusions. Kenshin decides that killing can no longer be the tool he uses to build the future. Saitō decides that the identity of "evil" may change, but eliminating it remains necessary. The series lets both positions retain force.
Shishio Becomes the Government's Replacement for Battōsai
SPOILER!
Shadow Assassin Succession · Useful Until He Knows Too Much
When Kenshin leaves assassination work for open combat, the Imperial faction replaces him with Makoto Shishio. Shishio performs the same kind of killings from the shadows until the new government decides that a surviving assassin who knows its secrets is a liability. He is shot, doused in oil and burned.
Why it matters
Shishio's grievance against the Meiji state is real because the state proves his accusation itself. It uses strength when strength is useful and discards the person afterward. The Kyoto arc is built around the difference between recognizing that hypocrisy and deciding it justifies Shishio's answer.