Manga Sound Effects: The Brush That Writes Like Calligraphy

Drawing a manga sound effect with a calligraphy-style brush in Clip Studio Paint, DURRUN Episode 9 by Aito Kitazaki
Left, the first stroke. Right, the finished sound effect — DURRUN Episode 9

This is my favourite brush in Clip Studio Paint, and it does one job: it lets you write a sound effect in a single stroke and have it come out looking like calligraphy.

Thick where the brush presses down. Thin where it lifts. Knots and joints in the middle of a line, the way a real brush leaves them on paper. You get all of that from one pass.

It is free, so let me tell you what it is and why I use it for every sound effect in DURRUN.

MANGA TOOLKIT is a series about the tools I actually use to draw DURRUN — brushes, materials, auto actions, workflow habits. Written for indie manga creators drawing their own pages, with no studio and no assistants.

DURRUN — read all episodes free, original shonen manga by Aito Kitazaki
DURRUN — Read All Episodes (Free)
Original shonen manga by Aito Kitazaki · durrun.blogspot.com

A Sound Effect Is Part of the Drawing

In Japanese manga these are called onomatopoeia, and they matter more than people outside manga usually expect.

Yes, they are letters. You read them. But that is only half of what they are doing. The other half is that they are part of the picture. They sit in the panel, they take up space, they have weight and direction, and they change how the whole page looks before anyone reads a word.

So when I draw one, I am not typing a word onto an image. I am drawing.

And that is why the brush matters. Letters drawn with a flat, even line look like text placed on top of a panel. Letters with weight, momentum and a bit of roughness look like they belong there.

Close-up of calligraphy-style manga onomatopoeia lettering drawn in Clip Studio Paint for DURRUN by Aito Kitazaki
Up close: the thick and thin, and the knots left behind by the stroke

What the Brush Actually Does

It behaves like a writing brush.

Press harder and the line swells. Ease off and it narrows. Move fast and it breaks up. You get the joints and the flow of hand-brushed calligraphy without needing to be good at calligraphy, and you get it in one stroke instead of drawing an outline and filling it in.

That last part is the practical win. Sound effects are big. Filling them by hand is slow. One stroke is one stroke.


The Brush Set

Brushes for sound effect(描き文字用ブラシいろいろ)

CLIP STUDIO ASSETS Content ID: 1749948
Free · CLIP STUDIO PAINT PRO/EX

A set, not a single brush. It includes brushes aimed at large lettering and onomatopoeia, plus finer ones for small text.

View it on CLIP STUDIO ASSETS →

Download it, try the sound-effect brushes in the set, and keep whichever one feels right in your hand. That is genuinely all there is to it.

No affiliation, no sponsorship, no affiliate link. I use it, that is the whole relationship.


This Is Not a Pen Tool

A pen tool draws lines. That is its job, and it is good at it — clean, controlled, consistent. It is what your linework needs.

This brush has a different job. It is not trying to be clean or consistent. It is trying to carry force.

Those are two different roles, and it took me a while to stop reaching for the pen tool out of habit. A sound effect drawn with a pen tool is legible. A sound effect drawn with a brush hits.

Add that texture across a whole series and it becomes part of how your manga looks. Which is worth thinking about, because a lot of what makes one artist's pages recognisable is not the characters. It is the small choices repeated a few hundred times.


Watch It Happen

The whole sound effect, stroke by stroke:

Watch this reel on Instagram

More short manga-production clips go up on Instagram @aitokitazaki. The ones worth explaining properly end up here.


See It in an Actual Manga

That page is Episode 9, FUSER, page 16. Soujun has grabbed a man who cannot feel pain and is about to point out that he cannot feel it either.

Look at how much of that panel the sound effect occupies. Cover it with your hand and the panel goes quiet — not just silent, but flat. It is doing as much work as the drawing underneath it.

DURRUN Episode 9, page 16: a large brush-drawn sound effect fills the panel as Soujun seizes the pain-proof Geji-gumi officer, manga by Aito Kitazaki
The finished page — Episode 9, page 16. Tap to read the episode

More from the Toolkit

Manga Speed Lines in One Stroke, Without Covering Your Art

Speed lines are lines, and lines hide the drawing. This free tool lays them down as tone instead.

Manga Hatching: The Brush That Buys Back Your Afternoon

Even hatching takes experience and hours by hand. One brush does it in seconds, and it is worth what it costs.

Manga Focus Lines in Clip Studio Paint: The One Thing to Get Right

Which sub tool does the work, why there is no correct setting, and the single rule that decides whether a set of focus lines works at all.

Manga Flashback Tones: Which One Goes with Which Memory

Which tone marks an ordinary recollection, and which one marks a memory a character has been avoiding.


Go Read It

Soujun is sixteen, and he lives by one rule: never take a risk. He and his little sister can't afford one.

Then, for her sake, he takes exactly one. A single delivery, off the books, no questions asked.

That one risk turns him into a monster — a Fuser — and drops him, without his ever choosing it, into a world made of nothing but risk: the TOKYO underground.

DURRUN is a neo-TOKYO underground shonen manga. Every episode is free to read in English, right here.

Start from Episode 1.

And hey — go read DURRUN. Por favoooor 🙏

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