Story
Visual: Eiken raises his hammer.
Prompt:
Adult Japanese master swordsmith named Eiken working inside a traditional forge, strong build, dark hair, focused calm expression, traditional craftsman clothing, raising a heavy hammer above glowing red-hot steel, sparks surrounding him, dramatic low-angle manga composition, black-and-white ink, detailed screentones
Like It? Make Yours.
Write a story, pick an art style, and Manga Maker draws the rest. Free to try.
Make a Manga
![# THE HIDDEN COST OF GIVING
### A visual research comic about blood donation, iron depletion and donor safety
## OVERALL CREATIVE BRIEF
Create a two-sided scientific educational comic / manga-style research abstract based on an MSc research project investigating whole-blood donation intensity, iron depletion and risk heterogeneity across ethnic groups.
The comic should feel like a **short human story that gradually becomes an epidemiological investigation**.
The reader should begin by following one fictional regular blood donor and believing that everything is straightforward:
“I donate blood. I feel fine. My haemoglobin is okay.”
The story should then reveal that haemoglobin does not tell the entire story about iron stores, introduce ferritin and cumulative donation exposure, and finally zoom out from the individual donor to a population-level epidemiological investigation.
The comic must communicate scientific information accurately but accessibly.
Do NOT portray blood donation as dangerous or discourage donation.
The central message is:
**Blood donation saves lives, but repeated donation can place different demands on donors' iron stores. Understanding donation intensity and differences in risk may help inform better donor protection.**
The visual style should be sophisticated scientific manga / graphic medicine rather than childish cartooning.
Use clean linework, expressive but realistic human characters, modern NHS-style blood donation environments, subtle medical diagrams and visual metaphors.
Use a consistent protagonist throughout the story.
---
# MAIN CHARACTER
## SAM — THE REGULAR DONOR
Create one fictional adult whole-blood donor named Sam.
Sam should look healthy, ordinary and approachable.
Sam is not visibly ill.
Sam should not be assigned a specific ethnic identity because the research later examines population-level ethnic heterogeneity.
Clothing should remain consistent throughout the comic.
Sam should initially appear confident and relaxed.
The purpose of Sam is to represent a donor experience, NOT to represent a particular ethnic group or an individual research participant.
---
# VISUAL METAPHOR
Use a recurring visual metaphor throughout the comic:
### IRON = a reserve or bank account.
Inside Sam's body, represent iron stores as a small symbolic “IRON BANK”.
The bank should gradually become less full as repeated donations occur.
Represent ferritin as the marker associated with the body's stored iron.
Represent haemoglobin separately as a red-cell / haemoglobin gauge.
IMPORTANT:
Do not imply that the comic's visual decrease represents a measured numerical percentage.
It is a conceptual visual metaphor only.
---
# SIDE ONE — THE DONOR'S STORY
## PANEL 1 — “I GIVE BLOOD.”
### Scene
Modern whole-blood donation centre.
Sam is sitting comfortably in a blood donation chair.
A whole-blood collection bag is visibly filling beside Sam.
The environment should look safe, professional and calm.
Sam looks relaxed and healthy.
### Speech bubble
SAM:
“I donate regularly. I feel fine.”
### Narrator box
“Regular blood donation saves lives.”
Then a smaller line:
“But what happens to the donor's iron stores?”
### Visual detail
Very subtly show a small glowing “IRON BANK” symbol inside Sam's body.
Do not explain it yet.
---
# PANEL 2 — “THE GREEN LIGHT”
### Scene
A member of the donation staff checks Sam's haemoglobin.
Show a simple medical screening interface.
The haemoglobin indicator reads:
“HAEMOGLOBIN ✓”
Sam receives the green light to donate.
### Speech bubble
STAFF:
“Your haemoglobin is above the donation threshold.”
SAM:
“Great.”
### Narrator
“But haemoglobin is only part of the story.”
### Visual composition
Show the haemoglobin gauge in the foreground.
Behind it, partially hidden, show the smaller “IRON STORES” gauge.
This creates the visual idea that two related but distinct things are being considered.
---
# PANEL 3 — ENTER THE BLOODSTREAM
### Transition
Zoom dramatically from Sam's body into the bloodstream.
The visual style changes into a beautiful scientific microscopic environment.
Show:
* red blood cells;
* iron;
* haemoglobin;
* an “IRON STORAGE” area represented by the symbolic iron bank.
### Narrator
“Iron is essential for making haemoglobin and red blood cells.”
Then:
“Ferritin is used as a marker of stored iron.”
### Iron Bank character
The iron-storage bank says:
“I’m the reserve.”
Do not make this childish; keep the metaphor visually sophisticated.
---
# PANEL 4 — THE FIRST DONATION
### Scene
Return to Sam donating blood.
Show the blood bag being collected.
Then transition visually from the blood leaving Sam's body to the iron bank.
### Narrator
“A whole-blood donation removes red blood cells — and with them, iron.”
### Visual
Before donation:
IRON BANK
🪙🪙🪙🪙🪙🪙🪙🪙
After donation:
IRON BANK
🪙🪙🪙🪙🪙🪙
Do NOT attach numerical values to the visual.
### Iron Bank
“We can rebuild…”
Small pause.
“…but replenishing iron stores takes time.”
---
# PANEL 5 — “AND THEN SHE COMES BACK.”
Do not change Sam's gender; use:
“AND THEN SAM COMES BACK.”
### Scene
A visual montage across time.
Show a calendar with multiple donation dates.
Donation 1.
Donation 2.
Donation 3.
Donation 4.
Donation 5.
The exact number of donations should be presented as an illustrative example, not as a claim about a threshold.
### Sam
“I’m still eligible.”
### Iron Bank
“But how much is left?”
### Narrator
“This is where donation intensity becomes important.”
Put the scientific term prominently:
DONATION INTENSITY
Underneath:
“Cumulative whole-blood donation exposure over time.”
---
# PANEL 6 — THE HIDDEN DIFFERENCE
This should be one of the most visually important panels.
Split the panel into two large gauges.
LEFT:
HAEMOGLOBIN
✓
“Within donation threshold”
RIGHT:
IRON STORES
↓
“Can become depleted”
Sam remains apparently well.
### Narrator
“A donor may feel well and meet haemoglobin requirements while iron stores are becoming depleted.”
Do not say that every donor will experience this.
The language must remain scientifically cautious.
### Large question at bottom
“So how does repeated donation affect iron depletion?”
---
# PANEL 7 — ONE DONOR BECOMES MANY
### Scene
Begin with Sam.
Then zoom out.
Sam becomes one donor among hundreds and thousands.
Create a large diverse population of fictional whole-blood donors.
Include variation in:
* age;
* sex;
* appearance;
* ethnicity;
* donation history.
### Narrator
“But one donor cannot answer a population-level question.”
### Researcher character enters
RESEARCHER:
“So I looked at the bigger picture.”
The crowd flows into a large epidemiological dataset.
---
# PANEL 8 — THE CENTRAL RESEARCH QUESTION
Make this panel visually clean and dramatic.
The researcher stands in front of a giant question mark.
### Main text
“DOES DONATION INTENSITY AFFECT THE RISK OF IRON DEPLETION?”
Then underneath:
“AND DOES THAT RELATIONSHIP DIFFER BETWEEN ETHNIC GROUPS?”
### Visual
Show:
DONATION INTENSITY
↓
IRON DEPLETION
And beside it:
ETHNICITY
↓
possible variation in risk
Do not depict a confirmed ethnic difference.
This is a research question, not a result.
---
# SIDE TWO — THE RESEARCH INVESTIGATION
The second side should visually shift from narrative storytelling to a scientific research investigation.
Maintain the manga aesthetic but use clean information design.
The reader should feel that they are now entering the researcher's study.
---
# PANEL 9 — “WHO DID WE STUDY?”
### Visual
Create a large funnel labelled:
“DONOR POPULATION”
At the top, show many donors.
The funnel filters the population.
Include:
WHOLE-BLOOD DONORS ✓
DONATION HISTORY ✓
FERRITIN / IRON DATA ✓
ADULT DONORS ✓
Then visually exclude:
PLATELET DONORS ✕
PLASMA DONORS ✕
### Narrator
“We focused on adult whole-blood donors with relevant donation and iron data.”
Do not add eligibility criteria that are not present in the final dissertation.
---
# PANEL 10 — “WHAT DID WE MEASURE?”
Create a scientific detective-board layout.
At the centre:
IRON DEPLETION
Connect it visually to:
DONATION INTENSITY
FERRITIN
HAEMOGLOBIN
Then show additional variables around the main relationship:
AGE
SEX
BASELINE HAEMOGLOBIN
DONATION TYPE
### Narrator
“We examined whether donation intensity was associated with markers of iron depletion while accounting for other relevant donor characteristics.”
Keep the wording cautious.
---
# PANEL 11 — THE STATISTICAL DETECTIVE
### Scene
The researcher stands in front of a large analytical board.
At the centre:
DONATION INTENSITY → IRON DEPLETION
But several other arrows enter the analysis:
AGE → IRON STATUS
SEX → IRON STATUS
BASELINE Hb → IRON STATUS
DONATION TYPE → IRON STATUS
### Researcher
“Before we attribute differences to donation intensity…”
“…we need to account for other factors.”
### Technical label
MULTIVARIABLE REGRESSION
Underneath in small text:
“Adjusted analysis”
### Visual metaphor
Represent multivariable regression as a transparent filter separating the different influences.
Do NOT turn this into a mathematical equation unless space permits.
The purpose is to communicate the analytical concept.
---
# PANEL 12 — THE ETHNICITY QUESTION
### Scene
Show a diverse group of whole-blood donors.
Above them:
“DOES RISK LOOK THE SAME FOR EVERYONE?”
Then create a visual interaction:
DONATION INTENSITY
×
ETHNICITY
↓
IRON DEPLETION
### Researcher
“We also explored whether the relationship between donation intensity and iron depletion differed between ethnic groups.”
### Technical label
“Donation intensity × ethnicity”
“Interaction”
Make this visually understandable even to a reader who has never studied statistics.
---
# PANEL 13 — THE DATA LIMITATION
This must be a serious scientific panel rather than a dramatic twist.
### Scene
The researcher looks at the donor dataset.
Show a large crowd of donor icons.
The population is visibly dominated by White donors, with substantially fewer donors from other ethnic groups.
### Researcher
“But there is an important limitation.”
### Narrator
“The dataset is overwhelmingly White.”
Then:
“This limits the strength and precision with which differences between ethnic groups can be interpreted.”
### Visual
Put a subtle warning symbol beside the dataset.
Do NOT portray the under-represented groups as “rare” or visually insignificant.
The message is about sample representation and statistical interpretability.
---
# PANEL 14 — “WHAT DO WE KNOW?”
Create a split-page visual.
LEFT SIDE:
WHAT WE CAN INVESTIGATE
✓ Donation intensity
✓ Ferritin / iron depletion
✓ Haemoglobin
✓ Donor characteristics
✓ Population differences
✓ Adjusted associations
RIGHT SIDE:
WHAT REMAINS UNCERTAIN
? Ethnic differences where groups are under-represented
? Generalisability
? The extent to which associations reflect causal effects
Use a calm scientific visual style.
This panel communicates scientific uncertainty rather than presenting the research as having a simple answer.
---
# PANEL 15 — RETURN TO SAM
### Scene
Return to the original donation centre.
Sam is sitting in the donation chair again.
The scene visually echoes Panel 1.
But now the reader can see a transparent overlay inside Sam's body:
RED BLOOD CELLS
HAEMOGLOBIN
IRON STORES
FERRITIN
DONATION HISTORY
### Sam
“So there’s more to donor health than whether I can donate today?”
### Researcher
“Yes.”
---
# FINAL PANEL — THE MESSAGE
Create a large, emotionally satisfying final image.
Sam leaves the blood donation centre.
Behind Sam is a large population of donors.
The blood donation centre remains positive and welcoming.
Do not portray donation as dangerous.
### Large headline
“SAFER DONATION ISN’T JUST ABOUT TODAY.”
### Subheading
“It is also about understanding how repeated donation affects donors over time.”
### Final research message
“Understanding donation intensity, iron depletion and risk heterogeneity may help inform more targeted approaches to donor protection.”
### Final small text
“Research question → Evidence → Limitations → Better donor protection”
---
# FOOTER
At the very bottom of the final panel, create a clean academic footer.
Include:
[STUDENT NAME]
MSc Applied Transfusion and Transplantation Science
University of the West of England
Research project:
“A population-based epidemiological investigation of donation intensity, iron depletion, and risk heterogeneity across ethnic groups.”
Add a small QR-code placeholder labelled:
“Read the full research”
Do not generate a fake QR code.
---
# ARTISTIC DIRECTION
STYLE:
Sophisticated medical manga / scientific graphic narrative.
Realistic anatomy where appropriate.
Expressive human characters.
Modern clinical environment.
Clean black or dark linework.
Professional academic presentation.
Subtle use of colour.
The comic should look suitable for presentation alongside a postgraduate biomedical research project.
Avoid childish cartoon aesthetics.
Avoid excessive fantasy.
Avoid gore.
Avoid dramatic hospital imagery.
Avoid portraying the donor as sick.
Avoid portraying blood donation negatively.
---
# VISUAL STORYTELLING PRINCIPLES
Use visual transitions between panels.
The most important transition is:
ONE DONOR
↓
BLOODSTREAM
↓
IRON STORES
↓
REPEATED DONATION
↓
MANY DONORS
↓
DATASET
↓
STATISTICAL ANALYSIS
↓
POPULATION RISK
↓
DONOR PROTECTION
The visual story should therefore move from:
INDIVIDUAL → BIOLOGY → EXPOSURE → POPULATION → ANALYSIS → IMPLICATION.
The comic should not feel like fifteen disconnected illustrations.
Each panel should lead naturally into the next.
---
# IMPORTANT SCIENTIFIC ACCURACY RULES
1. Do not claim that repeated donation inevitably causes iron deficiency.
2. Do not claim that haemoglobin screening is useless.
3. Do not claim that ferritin is routinely measured in every blood donor unless this is explicitly stated in the final research.
4. Do not invent numerical results.
5. Do not invent odds ratios, p-values, confidence intervals or effect sizes.
6. Do not state that one ethnic group has a higher risk unless this is supported by the actual study results.
7. Do not portray the fictional donor as an actual participant.
8. Clearly distinguish conceptual illustrations from actual study findings.
9. Do not imply causation if the study establishes only association.
10. The purpose of the comic is to communicate the research question, study approach, scientific rationale, uncertainty and donor-safety implications accurately.
---
# OVERALL MESSAGE
The reader should finish the comic understanding:
“Blood donation is valuable and generally safe, but repeated whole-blood donation creates an ongoing demand for iron.”
“Haemoglobin and iron stores are related but are not the same thing.”
“Donation intensity may help identify differences in iron depletion risk.”
“Those risks may not be identical across all donor groups.”
“Population-level research can investigate these relationships.”
“However, representation within the dataset affects how confidently differences between ethnic groups can be interpreted.”
“And the ultimate purpose is better-informed donor protection — not discouraging people from giving blood.”
END.](https://media.mangamaker.com/9443af6c-4a68-487b-8104-6d490e95906c.png)
