Is SIDOOH Worth Reading? Review & Where to Read
Quick Answer
If you want a dark, art-driven samurai epic with a huge cast and a setting most series don't touch — Japan right as the Shogunate is collapsing — SIDOOH delivers that in full, even though the finish rushes some of what it set up early on.
Quick Verdict
“Brutal, beautifully drawn, and set at a moment in Japanese history most samurai manga skip past entirely.”
Best for: Readers who want a bleak, visually striking chanbara series with real historical texture and a cast that keeps expanding instead of staying small.
Not for: Readers who want flashy, drawn-out fights rather than quick, brutal ones.
- Type
- Manga
- Genres
- Action, Historical
- Status
- Completed
- This review
- Minor Spoilers
- Author
- Tsutomu Takahashi
- Publisher
- Shueisha
| Quick facts | |
|---|---|
| Format | Manga (seinen), 266 chapters, 25 volumes |
| Run | 2005–2010 · completed |
| Community score | AniList 7.6 · MangaUpdates 8.0 |
| Content | Graphic violence and gore, frequent character deaths, death of a parent from disease, past abuse of child protagonists, betrayal by a religious cult |
Overview
SIDOOH opens in 1855, in the final uneasy years of the Tokugawa Shogunate, as a cholera epidemic tears through Japan. When the outbreak kills the mother of Yukimura Shōtarō (14) and his younger brother Gentarō (10), her last words — that the weak are the ones who die — combine with their late father's sword to send both boys down a single path: become strong enough, as swordsmen, that it never happens again. What starts as a personal, almost accidental decision to pick up a blade pulls the brothers into the wider chaos of a Shogunate that's running out of time, with consequences that ripple out across their entire region as Japan edges toward the upheaval of the Meiji era.
What it does well
Tsutomu Takahashi draws SIDOOH like he means every panel of it. His landscapes and double-page spreads give the series a sense of scale that most chanbara manga simply don't reach for, and that visual ambition carries through a genuinely large cast — this isn't a two-man revenge story, it's an ensemble piece where new characters keep arriving with real histories instead of serving as disposable obstacles. The late-Shogunate setting is doing real work too: placing the story right as Western contact and internal collapse are reshaping Japan gives SIDOOH a texture that's different from the usual Sengoku-era samurai backdrop, and critics overseas have reached for comparisons to Vagabond and Blade of the Immortal for good reason — the same inky, uncompromising violence, the same refusal to make swordfighting look clean. Once the brothers are committed to this life, the pacing rarely lets up, and the ending — after 25 volumes — is widely regarded by readers as one that actually sticks the landing instead of trailing off.
Where it falls short
The hook that opens SIDOOH — a dying mother's words and a father's sword driving two boys toward strength — gets set up with real weight, and then mostly recedes as the story goes on. The brothers don't stay avengers; they become working samurai inside the shogunate's crumbling order, and some readers feel that shift costs the series some of its original emotional throughline. Takahashi also offers very little explanation of the historical moment he's dropped readers into, which can make some of the political maneuvering hard to follow if you're not already familiar with the period. A handful of character deaths land more abruptly than the buildup suggested they would, the art occasionally gets rougher in faces during busier scenes, and at least one major antagonist comes across thinner than the richly drawn cast around him.
Verdict
SIDOOH is a bleak, visually ambitious chanbara epic that earns its comparisons to Vagabond and Blade of the Immortal — a series willing to let its violence be ugly and its cast sprawl in service of a setting most samurai manga never touch. It loses a little of its original hook along the way and demands some patience with unexplained history, but the art, the scale, and an ending that actually pays off make it well worth tracking down, English release or not.
Strengths & Weaknesses
Strengths
- Tsutomu Takahashi's art is the main event — his landscapes and double-page spreads give the series a scale and weight that most samurai manga don't even attempt.
- The cast keeps growing without going shapeless; new characters arrive with real backstories, and the sprawling ensemble is one of the series' most-praised elements.
- Setting the story in 1855, as the Shogunate is collapsing and Western contact is reshaping Japan, gives SIDOOH a genuinely different angle on the samurai genre instead of the usual Sengoku-era backdrop.
- The pacing is relentless once the brothers are drawn into violence — fights land fast and hard rather than lingering, and the story rarely slows down to pad itself out.
- The ending is widely called satisfying by readers who stuck with it, landing the brothers' arc rather than fizzling out.
Weaknesses
- Some character deaths arrive abruptly, with less room to land emotionally than the buildup seemed to promise.
- Takahashi gives almost no hand-holding on the historical backdrop, so readers who don't already know the late-Shogunate period may lose track of who the factions are and why they're fighting.
- The original hook — a dying mother's last words and a father's sword pushing two boys toward revenge — gets set up hard early on and then mostly drops away as the brothers become working samurai instead of avengers.
- Art quality isn't perfectly consistent; a handful of scenes get rougher character faces than the series' best panels.
- At least one major villain is thinner on the page than the cast around him, which blunts some of the series' later confrontations.
Similar Titles
A similarly uncompromising, ink-heavy take on swordsmen and violence in a real historical period of Japan.
The same willingness to let fights be brutal and quick rather than drawn-out spectacle, with a similarly large cast of blade-wielders.
Another historical action series about young fighters reckoning with what violence actually costs them and the people around them.
Frequently Asked Questions
Is SIDOOH finished?
Yes. It ran in Weekly Young Jump from 2005 to 2010 and wrapped up at 25 volumes (266 chapters), so you can read the whole thing without waiting on anything.
Is SIDOOH available in English?
Not officially — there's no confirmed English print or digital release. It has been licensed in France and Italy (by Panini) and in Spain (by Glénat), but no English-language publisher has picked it up as of this review.
How long is SIDOOH?
It's a substantial read at 25 volumes, with a spin-off one-shot series (SIDOOH: Sunrise) adding one more volume if you want to keep going afterward.
Is SIDOOH mainly about revenge?
It starts that way — the brothers set out to become strong after their mother's death — but the revenge framing fades as the story goes on and they become shogunate samurai with their own responsibilities, which some readers find dilutes the original hook.
Is there an anime of SIDOOH?
No. There's no anime or live-action adaptation; the manga and its one-volume spin-off are the only versions of the story that exist.
