Sweet Home Webtoon vs. Netflix: 5 Differences That Matter

Spoiler level: Opening premise only. This comparison covers adaptation choices, characters, visual storytelling, and publication structure. It avoids major developments and endings from both versions.

If you discovered Sweet Home through Netflix, the original webtoon might look familiar at first.

There’s Cha Hyun-su, a young man who has withdrawn from the world. There’s Green Home, an apartment building whose residents suddenly face a terrifying situation. And there are monsters that make the meaning of being human much less comfortable.

But the two versions don’t tell exactly the same story in exactly the same way.

The original Korean webtoon was written by Carnby Kim and illustrated by Youngchan Hwang. Netflix adapted it into a live-action series starring Song Kang, eventually releasing three seasons.

Some differences come naturally from changing a digital comic into television. Others are deliberate storytelling choices, including added characters and a wider narrative scope.

The short answer: Start with the webtoon if you want the original, self-contained comic experience. Start with Netflix if you prefer live-action horror and a longer television interpretation.

Here are five differences that help explain why those choices aren’t interchangeable.

On this page

Sweet Home Webtoon vs. Netflix at a Glance

Feature	Original Webtoon	Netflix Series
Original creators	Carnby Kim and Youngchan Hwang	Adapted from their webtoon
Medium	Full-color vertical-scroll comic	Live-action Korean horror drama
Starting setting	Green Home apartment building	Green Home apartment building
Main character	Cha Hyun-su, illustrated	Cha Hyun-su, played by Song Kang
Horror presentation	Panel composition, drawn creatures, and scrolling reveals	Performances, creature effects, movement, sound, and editing
Story scope	Original completed webtoon narrative	Three-season television adaptation with expanded material
Official platform	Naver WEBTOON / English WEBTOON	Netflix

Both versions begin with a young man whose isolation is interrupted by an extraordinary crisis.

Where they differ is in how they present the danger, how much room they give different characters, and what happens when the television adaptation builds beyond the source’s original framework.

1. The Webtoon Controls Horror Through the Scroll; Netflix Uses Sound and Movement

Horror depends heavily on what an audience knows—and what it doesn’t know yet.

In a webtoon, the artist can place an image just below the visible portion of the screen. Readers move toward it as they scroll, perhaps knowing something unpleasant is coming without knowing exactly what.

That creates a particular relationship between anticipation and discovery.

A hallway can seem ordinary until the next panel changes how it looks.

A face can seem familiar until a new detail becomes visible.

These are possibilities built into the visual grammar of vertical comics. Their effectiveness depends on how the creators arrange the images, not simply on the presence of monsters.

The Netflix series has different tools.

A creature can move across the frame. An actor can hesitate before turning around. Sound can suggest something approaching before the camera shows it.

Editing also determines the timing of a reveal in a way that the viewer can’t control by scrolling faster or slower.

Which Version Feels Scarier?

That depends on the kind of horror you respond to.

The webtoon invites readers to participate in its pacing. Some may find the stillness of drawn images unsettling, especially when imagination fills the spaces between panels.

Television can add immediate sensory pressure through sound, movement, and performance.

Neither medium automatically creates better horror.

A reader who prefers tension and uneasy anticipation may respond differently from someone who enjoys audiovisual creature horror.

This is a choice between creative approaches, not a measurable contest over which version is more frightening.

2. The Drama Introduces Characters Who Weren’t in the Original Webtoon

The television adaptation makes changes beyond visual presentation.

One clear example is Seo Yi-kyung, played by Lee Si-young.

Yi-kyung was created for the Netflix version rather than adapted directly from an existing character in the original webtoon.

That distinction has been confirmed by the drama’s director and by Lee Si-young in Korean-language interviews.

It matters because a new character is not just another face in a cast list.

Adding a character can create new interactions, change which perspectives receive attention, and allow a television story to explore situations that weren’t part of the original comic.

Why Add Someone to an Existing Story?

Television storytelling often gives an ensemble cast different responsibilities.

Some characters help viewers understand practical danger. Others become important through their relationships with the people around them.

A screen adaptation may need a different balance from a comic told through serialized illustrated chapters.

That does not establish that one version’s cast is better.

It means the drama has made its own choices about how to tell the story.

There is a useful limit to this comparison: recognizing an added character does not justify guessing about every other character’s eventual fate.

This article won’t turn an introductory adaptation discussion into a spoiler-filled list of rewritten relationships or endings.

3. The Monsters Become Screen Performances, Not Just Illustrated Designs

The original webtoon presents its creatures through Youngchan Hwang’s artwork.

That gives the comic considerable freedom.

A design can be distorted, exaggerated, or composed around a particular moment without having to show how the creature would physically move through a live-action scene.

In Netflix’s adaptation, monster imagery also involves movement, digital effects, performances, and the physical spaces that the actors occupy.

A frightening illustration has to become something that can share the screen with human performers.

That translation involves choices.

The Role of Desire

The premise of Sweet Home is not simply that an ordinary infectious outbreak has produced dangerous creatures.

Netflix’s original announcement explains the story’s distinctive idea: people turn into monsters that reflect their individual desires.

That gives the monsters a thematic role in addition to making them threats.

The designs are part of a story about what people want, fear, or struggle to control.

The webtoon can suggest those connections through illustration and sequence.

The drama can combine creature effects with performances and audiovisual storytelling.

Neither approach should be mistaken for a scientific explanation of disease or psychology. This is supernatural horror using transformation as a fictional device.

For international viewers, it’s also useful to know that Korean discussions often describe this kind of production as 크리처물 (keuricheomul), meaning a creature-focused genre work.

The term refers to a form of entertainment, not to an exclusively Korean kind of monster.

The storytelling can be Korean while the fear of the unfamiliar remains widely understandable.

4. The Netflix Story Expands Beyond Green Home

Green Home is central to the opening situation in both versions.

The building brings together people who might otherwise have remained strangers. Its entrances, corridors, rooms, and shared spaces affect how residents encounter danger and one another.

A restricted setting also creates pressure. There may be very few places to escape or avoid a difficult decision.

Netflix’s first season makes extensive use of that premise.

But the television adaptation does not maintain the same scale throughout its three seasons.

The Expansion Was a Deliberate Creative Decision

In its official announcement for Season 2, Netflix described a broader setting and additional characters.

Director Lee Eung-bok also discussed expanding the series beyond the original webtoon’s world, after conversations with original writer Carnby Kim.

The second season’s development announcement specifically contrasts the confined Green Home setting of Season 1 with a larger environment in the following season.

That tells us something concrete about the adaptation.

The later television story was designed to explore material on a wider scale, rather than merely extend the apartment-building premise for more episodes.

This is not the same as saying the original webtoon was too small or incomplete.

A focused horror narrative and a broader apocalyptic television story can have different strengths.

One places pressure on a relatively concentrated group of people and their immediate circumstances.

The other has room to explore what happens when the world around them becomes part of the narrative.

Those are different structural choices.

Readers should therefore avoid assuming that Netflix Season 2 is simply the next set of original webtoon chapters transferred to television.

5. A Completed Webtoon and Three TV Seasons Have Different Story Structures

The final major difference is how the story is organized.

The original Korean webtoon began publishing in October 2017 and is completed.

The official English WEBTOON edition is also marked completed.

Netflix released Season 1 in December 2020, Season 2 in December 2023, and the third and final season in July 2024.

These are two completed publications with different structures.

A webtoon installment is organized around digital comic reading. It might devote its space to a single encounter, a conversation, or a suspenseful reveal.

A television episode must bring together performances and scenes within a different storytelling rhythm.

And a television season has to work as part of a larger viewing experience.

Can You Switch From the Drama to a Specific Webtoon Chapter?

There isn’t a reliable universal conversion.

The adaptations share a premise and recognizable characters, but the drama also includes original material and expands into a different narrative structure.

A viewer who finishes one Netflix season should not assume that the next unread part of the original comic begins at an easily calculated chapter number.

If the goal is to understand the original story, starting the webtoon from the beginning is the clearest choice.

That isn’t because readers have done anything wrong by watching Netflix first.

It’s simply a better way to experience a source work that has its own presentation and continuity.

A Korean Perspective: When a Building Becomes a Home

One of the most interesting aspects of Sweet Home is the contrast between its title and its setting.

The Korean title, 스위트홈, is the English expression Sweet Home written in Hangul.

The central apartment building is called Green Home.

Both names sound reassuring. Yet the opening situation is anything but comforting.

A home usually suggests privacy and protection. In this story, residents must face danger while living close to people they may barely know.

That tension can feel particularly recognizable in an urban apartment setting.

The residents share a building, but shared space doesn’t automatically produce trust.

The disaster forces questions that ordinary life allows them to avoid: who should be helped, whom can they rely on, and what responsibility do they have toward one another?

Director Lee Eung-bok spoke about the residents forming bonds as they confront danger, and the idea of Green Home becoming a meaningful home through that process.

The theme isn’t limited to Korean society. Nor does the fictional building represent how every Korean apartment community behaves.

The Korean setting offers a specific environment for a much broader question.

What makes somewhere feel like home: the place itself, or the relationships that develop inside it?

The webtoon and Netflix drama can approach that question with different stories and creative tools.

Which Sweet Home Version Should You Start With?

The practical answer depends on what you want from the series.

Start With the Webtoon If…

You want the story in its original published form.

Carnby Kim and Youngchan Hwang created Sweet Home as a Korean webtoon. Its illustrated storytelling is not a derivative version of the television show.

The completed official English edition is available through WEBTOON.

Readers comfortable with Korean can access the original Naver WEBTOON listing.

The webtoon is also a sensible starting point if you enjoy controlling your reading pace and prefer illustrated suspense to audiovisual horror.

Some episodes may be subject to the platform’s current app or access conditions.

Start With Netflix If…

You prefer Korean television, live-action acting, sound design, and moving creature effects.

The official Netflix series comprises three seasons.

It also offers the opportunity to experience the adaptation’s own cast and expanded storyline.

Be aware that streaming availability, languages, and subscriptions may vary by region.

And although the opening premise overlaps with the webtoon, the completed television story should not be treated as an exact reproduction.

What If You’ve Already Finished All Three Seasons?

The original comic is still a distinct reading experience.

It gives you the illustrated version of the premise as created by its original team, including a different approach to pacing, horror, and character presentation.

You don’t need to make a webtoon chapter-conversion chart to enjoy it.

Begin at the start if you want to see how the source material tells its story.

Final Verdict: Same Beginning, Different Storytelling Ambitions

Sweet Home shows how much can change when a Korean webtoon becomes a multi-season television production.

The comic builds suspense through illustration and vertical reading. Netflix brings the premise into live action, adds characters, gives the creatures movement and sound, and expands the narrative beyond its initial setting.

Those changes make the two versions worth distinguishing.

For the original story, choose the webtoon. For live-action horror and the three-season adaptation, choose Netflix.

Neither choice requires treating the other version as unnecessary.

If the setting, creators, Korean title, or official editions are new to you, visit the Sweet Home title guide for a broader introduction.

Sources and Further Reading

• WEBTOON — Sweet Home — official English comic, creator credits, and publication status.
• Naver WEBTOON — 스위트홈 — original Korean comic, creators, and serialization history.
• Netflix — Sweet Home — official television series and season information.
• About Netflix — Original Sweet Home Announcement — source material, central premise, and production team.
• About Netflix — Sweet Home Season 2 Development — adaptation expansion and comments from the director.
• About Netflix — Sweet Home Final Season — final-season release information.
• NoCut News — Interview With Lee Si-young — Korean-language interview confirming Seo Yi-kyung as a drama-original character.
• NewsPim — Interview With Director Lee Eung-bok — Korean-language discussion of adaptation choices, characters, and the Green Home setting.