Sakamoto Days

The World’s Greatest Hitman — Now Running a Convenience Store

Sakamoto Days opens with a premise so deceptively simple it sounds like a punchline: the greatest assassin who ever lived is now overweight, mildly clumsy, and genuinely happy stocking shelves in a suburban convenience store. Taro Sakamoto was a ghost story whispered across the global criminal underworld — a man who could eliminate any target, anywhere, under any circumstances. He retired cold turkey after falling in love with Aoi, a woman who saw him not as a legend but as a person worth knowing. They married. He gained weight. He had a daughter named Hana. And for a while, it worked.

The problem is that legends don’t expire. Former colleagues, ambitious newcomers, and criminal organizations keep finding Sakamoto’s store — and finding, to their considerable surprise, that the fat man behind the counter can still end a fight in three seconds flat. Yuto Suzuki launched the series in Weekly Shonen Jump in 2020 and has since made it one of the magazine’s most reliably inventive properties. By 2025 it had a JC Staff anime adaptation and over 20 collected volumes, with no signs of slowing down.

Premise and World

The assassination underworld of Sakamoto Days is organized, professional, and bureaucratic in ways that make it darkly funny. There are competing factions — the JAA (Japan Assassination Arts), the mysterious Order — with their own hierarchies, codes of conduct, and internal politics. Sakamoto once sat at the very apex of this world. His retirement is treated by that world the way a major corporation might treat a top executive going off-grid: with confusion, suspicion, and eventually, aggression.

Into this setup Suzuki injects the mundane textures of suburban Japanese daily life: product deliveries, customer complaints, school runs, family dinners. The genius is how thoroughly the two worlds refuse to separate. Assassins show up to kill Sakamoto and end up arguing with him about store inventory. Combat choreography happens in vegetable aisles and parking lots. The comedy and the tension reinforce each other because the stakes are always personal: every fight is ultimately about whether Hana gets to grow up with her father around.

Main Characters

Taro Sakamoto

Sakamoto is one of shonen manga’s great protagonist inversions. He is not young, not hungry for glory, and not interested in proving anything. He is a middle-aged man who visibly loves his wife, adores his daughter, and would genuinely prefer to spend the day helping a customer find a specific brand of instant noodles over performing any feat of legendary violence. Yet when violence is forced on him, the response is instant and complete — a flicker of cold precision behind soft eyes that reminds every attacker exactly why this man’s codename was the last thing so many people ever heard.

What makes Sakamoto function as a protagonist is the consistency of his motivation. He doesn’t fight to satisfy some inner warrior code. He fights because Aoi is in the next room and Hana is at school and those things are worth any cost. His refusal to enjoy violence — even when deploying it with almost supernatural efficiency — gives the series moral weight that pure action comedies often lack. His gradual acceptance that he cannot protect his family alone, that he needs Shin and others to form something like a team, represents his actual character arc: learning that isolation is not the same as safety.

Shin and the Supporting Cast

Shin Asakura arrives as a telepath sent to neutralize Sakamoto and ends up becoming his closest associate, part apprentice and part surrogate son. His ability to read minds gives him tactical value while simultaneously making ordinary social interaction exhausting — he knows too much about what people around him actually feel. Watching him slowly learn to be around people without that knowledge becoming a burden is one of the series’ quieter pleasures.

Lu Xiaotang brings a different energy: disciplined, serious, and carrying her own complicated relationship with the assassination world. Osaragi, the staff member whose fighting style involves a collapsible baton, completes a group that reads less like a team of killers and more like a genuinely strange extended family. Aoi herself is no passive figure — she knows exactly who she married, and her intelligence and emotional steadiness are what make the whole enterprise possible.

Story and Themes

The series’ central question is whether a person can genuinely choose peace when their entire history argues against it. Sakamoto has made the choice. He wears it in his changed body, in his apron, in the care with which he handles customers. But the world around him keeps demanding the old Sakamoto — the one who was defined entirely by his capacity for violence. Each arc escalates the scale of that demand, from individual pursuers to organized syndicates to full conspiracies targeting everyone he cares about.

Suzuki handles the comedy-drama balance with unusual skill. The humor is often absurdist — a deadly confrontation derailed by a store promotion, a fight sequence soundtracked by completely mundane ambient noise — but it never cheapens the genuine stakes. When characters are hurt or threatened, it lands. When Sakamoto has a quiet moment with Hana, it earns its warmth. The tonal control is what separates Sakamoto Days from action comedies that are merely loud.

Family as armor and liability runs through everything. Sakamoto’s love for Aoi and Hana is the one thing that cannot be negotiated away, and villains who understand this use it against him. The series is honest about that vulnerability: being genuinely attached to other people makes you easier to hurt. It argues that this is still worth it — that Sakamoto’s life has meaning precisely because those attachments exist.

Why This Manga Matters

Sakamoto Days arrived at a moment when the shonen action genre was dominated by power-escalation narratives where protagonists become progressively more superhuman. Suzuki’s series sidesteps that entirely. The ceiling on Sakamoto’s abilities was set on page one — he was already the best there was. The drama isn’t about becoming stronger; it’s about whether strength of the martial kind has any relationship to the life he actually wants to live.

The series also takes the “found family” structure seriously in a way that distinguishes it from its peers. The convenience store becomes a genuine community: people with violent pasts choosing, daily, to do something ordinary instead. That choice is never presented as final or safe, but it is presented as real. Sakamoto Days suggests that the most radical thing a person capable of great violence can do is decide, over and over, not to.

Publication History

Sakamoto Days began serialization in Weekly Shonen Jump on December 3, 2020. Yuto Suzuki previously worked as an assistant on Hirohiko Araki’s JoJolion and published a short series, Witch Watch, before Sakamoto Days. The series has been collected into 20+ volumes by Shueisha under the Jump Comics imprint and has seen consistent top-10 placement in Jump’s reader surveys since its first year. A 25-episode first season anime from JC Staff premiered in January 2025, covering the early arcs with high production values and voice performances that were broadly praised.

Related Series

Readers who enjoy Sakamoto Days may find common ground with Rurouni Kenshin (another ex-killer trying to stay retired), Spy x Family (domestic comedy wrapped around covert violence), Jujutsu Kaisen (fluid shonen action with genuine tonal range), and One Punch Man (a premise built on a protagonist who has already solved the power question and is left wondering what else there is).

Frequently Asked Questions

Is Sakamoto Days finished?

No, Sakamoto Days is ongoing. The series began serialization in December 2020 and continues with new chapters appearing in Weekly Shonen Jump. As of 2026, the story is still developing, with new arcs regularly expanding Sakamoto’s challenges and the scope of his threats. More volumes are in active publication.

How many volumes does Sakamoto Days have?

The series has 20+ volumes collected and published by Shueisha. New volumes are released regularly as the serialization continues. Both English translations through VIZ Media and Spanish editions are available and updated to match the latest chapters. Omnibus and standard editions are both available for purchase.

Is there an anime adaptation?

Yes, Sakamoto Days received an anime adaptation from JC Staff that premiered in January 2025. The first season contains 25 episodes and covers the early arcs of the series with high production values. The anime’s action choreography and voice performances were broadly praised by fans and critics, making it an excellent complement to the manga.

What age rating is Sakamoto Days?

The series is rated 13+ (Teen). It contains action violence in combat scenes, but the violence is not excessively graphic. The story focuses on humor, character development, and family dynamics alongside the action. There is minimal sexual content and no strong language, making it appropriate for teens and older readers.

Where can I buy Sakamoto Days?

The complete manga volumes to date are available through major retailers including Amazon (donidhernande-20 for English). Spanish editions are available through Amazon.es (donidhernande-21). Both physical volumes and digital editions through Kindle are in stock. Many libraries carry the series as it continues to be a popular title in Jump’s ongoing catalog.