Summary
For fans ofSakamoto Days, the concept of assassins trying to live quietly in retirement as they slip out of their prime is already a familiar one, but it’s given new life inNaver Webtoon. Taro Sakamoto is a lovable and entertaining character who does his best to not break his family rules so he can maintain his happy, normal life. However, with webtoons constantly on the rise, another exciting hitman story is making the rounds withKiller Peter, featuring an aged hitman dying from cancer, with enough unique quirks as a series to feel fresh forSakamoto Daysfans.
Killer Peterhas been available on Webtoon since August 11, 2025, and is still largely free to read,complete with fantastic artwork, comedic twists to complement its bombastic action, and an exciting overarching storyline.UnlikeSakamoto Days, the eponymous protagonist Peter often goes toward the action after an incident inKiller Peter’sbrilliant first chapterwhich mysteriously restores his body back to its prime, peak condition.
Now Peter must take the fight to Glory Club, encountering eclectic fighters and gathering surprising allies along the way.
New Manga Sakamoto Days' Protagonist is John Wick as a Pacifist
John Wick and Tarou Sakamoto are both former hitmen who get dragged back into that world, but the manga Sakamoto Days is a pure comedy.
Killer Peter Blends John Wick and Sakamoto Days for Manhwa Fans
Webtoon’s Hitman Comic Balances Humor and Brilliant Action
ComparingKiller PeterandSakamoto Daysis easy enough, given they receive similar treatments in the first chapter,complete with inciting incidents in the form of strangers trying to assassinate them in their stores.It’s also easy to compare the two stories toJohn Wick, as a predictable trope emerges connecting these series, each spun into motion by a home invasion, or storefront invasion, that brings out their killer instincts. Each of the characters, Peter and Sakamoto, are more than capable and cunning, either in Peter’s advanced years, or Sakamoto’s weight, able to fend off their assailants.
It’s also easy to compare the two stories toJohn Wick, as a predictable trope emerges connecting these series, each spun into motion by a home invasion, or storefront invasion, that brings out their killer instincts.
Much like the infamousJohn Wickpencil story, Peter and Sakamoto have a knack for surprising improvised weapons, with early cases like spitting lozenges to stop bullets, or using mollusk tentacles like nunchaku.Sakamoto Dayseven uses impressive gunplay to set itself apart.However, the differences begin to grow when Peter immediately embarks on a quest to infiltrate his former organization, the seemingly benevolent Glory Club akin toJohn Wick’sContinental andSakamoto Days’Order.With a bounty on Peter’s head starting at ₩7.6bn, similar to Sakamoto’s predicament, it’s easy to see the two having overlapping readership.
Killer Peter Is Different Enough to Feel Fresh
Style, Presentation, and Tone Go a Long Way
While Peter’s drastic transformation turning him back into a fit assassin being similar to how Taro Sakamoto can burn countless calories instantly to drop weight in battle,Killer Peteravoids feeling derivative ofSakamoto Days.Part of this is due to Webtoon’s unique presentation, including music backdrops for critical chapters, a distinctively detailed and immaculate art style, and a moodier protagonist. Peter is an incredibly gifted assassin, able to get out of lethal binds with enemies who can seemingly dance around the edge of the laws of nature.
InKiller Peter’smost consequential fights, a large portion of his confrontations give engaging backstories of his enemies, before Peter creatively defeats them, such as with superior fighting abilities, or hopelessly incapacitating them.
Killer Peterfeatures strange abilities like Octoman’s contortions and Sangdo Park’s godly knife-fighting talents as well as the looming question of how Peter reverted to his prime, cancer-free body.Sakamoto Daysfeatures similarly uncanny or even unnatural abilities, but its delivery is different, with Sakamoto still in his twenties, wishing not to cross boundaries by killing his enemies, althoughSakamoto Daysoccasionally goes to gory extremes. while inKiller Peter, Peter is willing to cross that line. With Webtoon’sKiller Peterbeing entertaining and surprisingly funny, it’s an easy choice for readers while they wait for theSakamoto Daysanime.
Sakamoto Days
Cast
Sakamoto Days centers on Taro Sakamoto, a former top-tier hitman who has traded his life of crime for a peaceful existence running a convenience store. Despite his attempts to leave the underworld behind, Sakamoto’s past catches up with him as old rivals and dangerous enemies reappear, threatening his newfound tranquility. Forced to defend his family and business, Sakamoto must draw on his lethal skills while navigating the humorous and unexpected challenges of balancing his ordinary daily life with the chaos of his former profession.
