Ooi! Ryoma

Ooi! Ryoma Review: The Bakumatsu Manga That Made Sakamoto Ryoma's Youth the Whole Story

by Tetsuya Takeda (writer), Yu Koyama (art)

★★★★CompletedT (Teen)
Reviewed by Yu

Read the first volume. If it doesn't hook you, put it down. It'll hook you.

Buy Ooi! Ryoma on Amazon →

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He became a name. Before that he was a boy. The manga lived in the before.

Quick Take

  • Tetsuya Takeda and Yu Koyama's 14-volume Big Comic Spirits drama — Sakamoto Ryoma's youth and formation
  • Focuses on the period before Ryoma became the iconic Bakumatsu revolutionary
  • A character study that uses one of Japan's most famous historical figures to examine how character forms

Who Is This Manga For?

  • Bakumatsu/Meiji-Restoration history enthusiasts who want Ryoma's specifically formative years
  • Character drama readers who appreciate when biography focuses on becoming rather than achievement
  • Period drama fans who want one of the era's most respected manga adaptations
  • Anyone interested in what made Ryoma the person who could do what he did

Content Warnings & Age Rating

Age Rating: T (Teen) Content Warnings: Bakumatsu-era violence, period political intrigue, occasional dramatic intensity.

Suitable for most readers.

Yu's Rating

Category Score
Story Depth ★★★★☆
Art Style ★★★★☆
Character Development ★★★★★
Accessibility for Non-Japanese Readers ★★★☆☆
Reread Value ★★★★☆

Story Overview

The series follows Sakamoto Ryoma from his childhood in Tosa through his young adulthood, ending before the famous achievements that made him Japan's most beloved historical figure of the Bakumatsu period. Most Ryoma fiction concentrates on the political-revolutionary period; Ooi! Ryoma deliberately focuses on the formation that produced the political revolutionary.

The structure is biographical drama: the family situation, the early education, the swordsmanship training in Edo, the experiences that opened Ryoma's perspective beyond his domain. Each phase contributes specific elements to who he becomes — the family love, the encounter with classmates from other domains, the broader Japan he travels through, the foreign threats that reshape his sense of what Japan needs.

What distinguishes the series is its commitment to character formation as subject. Ryoma in the early volumes is a kid. Ryoma in the late volumes is recognizably the figure who would change Japan, but the gap is bridged through depicted experience rather than through narrative declaration. The work shows how a person becomes what they become.

Characters

Sakamoto Ryoma: The protagonist drawn with patience — the work doesn't rush toward his historical achievements but lets the character form.

Family members: Older sister Otome and others who shaped his early development, rendered with the specificity that biography requires.

The classmates and contemporaries: Future figures of the Restoration appear as the young people they were — depicted before their historical significance.

Art Style

Koyama's art has the clean, somewhat sentimental quality appropriate to the focus on formation — character expressions emphasize feeling, period settings are rendered with care, action sequences (the swordsmanship training in particular) are well-handled when they occur.

Cultural Context

Ooi! Ryoma ran from 1986 to 1996 in Big Comic Spirits. Sakamoto Ryoma is among the most beloved figures in Japanese popular history — multiple novels, films, and dramas have engaged with his story. The manga's particular contribution is its focus on formation rather than achievement, which most other treatments cover.

The author Tetsuya Takeda, also known as a beloved actor, brought genuine engagement with the historical material to the project.

What I Love About It

I love that the work ends before the famous achievements.

A different version of this manga would push toward the famous Sakamoto Ryoma — the marriages of Satsuma and Choshu, the Senchu Hassaku, the eventual assassination. Ooi! Ryoma stops before all that. The work's argument is that the formation matters as much as the achievement, and that without depicting the formation we lose the human reality of the figure. The choice to stop before the iconic events is the work's intellectual courage.

What English-Speaking Fans Say

Limited international awareness without translation. Among Bakumatsu enthusiasts familiar with various Ryoma adaptations, regarded as among the more thoughtful manga treatments precisely because it focuses on formation.

Memorable Scene ⚠️ Spoiler Warning

A late-series moment where Ryoma encounters a perspective that completes his sense of what Japan is — not the political revelation of his later career but the personal one that makes the political revelation possible. The scene shows the series' method clearly.

Similar Manga

Title Its Approach How Ooi! Ryoma Differs
Vagabond Inoue's Musashi biography from young adulthood Similar formation focus but different historical figure
Hidamari no Ki Tezuka's Bakumatsu medical-political drama Different angle on the same era
Hi Izuru Tokoro no Tenshi Asuka-period biographical drama Same biography-of-formation approach to a different era

Reading Order / Where to Start

Volume 1. The biographical progression depends on the foundation.

Official English Translation Status

Ooi! Ryoma has no official English translation.

Pros & Cons

Pros

  • Focuses on formation rather than achievement
  • Character development across 14 volumes feels genuinely earned
  • Beloved historical figure treated with depth
  • Complete with a satisfying conclusion

Cons

  • No English translation
  • Bakumatsu/Meiji historical context requires familiarity
  • The deliberate stop-before-fame may frustrate readers wanting the famous events
  • Slow pacing reflects the formation focus

Is Ooi! Ryoma Worth Reading?

For Bakumatsu enthusiasts and biographical-drama fans, yes — this is one of the most thoughtful Ryoma adaptations in any medium. For readers wanting the famous Bakumatsu events or unfamiliar with the period, the focus on formation may feel slow. As biography of becoming, it's exceptional.

Format Comparison

Format Notes
Physical Japanese editions available
Digital Available in Japanese
Omnibus Collected editions available

Where to Buy

No English release yet. That just means you find it before everyone else does.


Buy Ooi! Ryoma on Amazon →

*Affiliate link — I earn a small commission at no extra cost to you.

Y

Written by

Yu

Manga Enthusiast from Japan

I grew up in Japan and manga literally saved me during a tough time in elementary school. My English isn't perfect, but my love for manga is real — and I want to share it with you.