
One Day, I Became a Ghost 3: Back to the Living World
Description
Book Introduction
What unfolds in the afterlife
A special adventure story
《One Day, I Became a Ghost ③》 is the final story of Jeon Min-su, who is active as a child grim reaper.
Jeon Min-su, who is on the border between life and death, makes every effort to return to this world.
As a result, they show surprising adaptability even in the unfamiliar afterlife and form various relationships.
A past connection brings Jeon Min-su back to the present and helps him.
This book speaks of the hope that if you don't give up, no matter how unfamiliar or difficult the situation, you will have the opportunity to achieve it.
Furthermore, it helps us realize precious values such as responsibility and courage.
Well, shall we follow along on our final adventure in the afterlife?
A special adventure story
《One Day, I Became a Ghost ③》 is the final story of Jeon Min-su, who is active as a child grim reaper.
Jeon Min-su, who is on the border between life and death, makes every effort to return to this world.
As a result, they show surprising adaptability even in the unfamiliar afterlife and form various relationships.
A past connection brings Jeon Min-su back to the present and helps him.
This book speaks of the hope that if you don't give up, no matter how unfamiliar or difficult the situation, you will have the opportunity to achieve it.
Furthermore, it helps us realize precious values such as responsibility and courage.
Well, shall we follow along on our final adventure in the afterlife?
- You can preview some of the book's contents.
Preview
index
Characters
Chapter 1: Dangerous School
Chapter 2: The Prank That Stolen Life
Chapter 3 Defeat and Frustration
- One day in the afterlife
Chapter 4: Boxing Gym of Memories
Chapter 5: The Talisman that Leads You into Dreams
Chapter 6: Dream Showdown
- One day in Mac
Chapter 7 Grandfather Mangtae's Conspiracy
Chapter 8 All join forces
Chapter 9: Final Greetings
- One day with Lee Ji-yool
- One day in Jeon Min-su's life
Chapter 1: Dangerous School
Chapter 2: The Prank That Stolen Life
Chapter 3 Defeat and Frustration
- One day in the afterlife
Chapter 4: Boxing Gym of Memories
Chapter 5: The Talisman that Leads You into Dreams
Chapter 6: Dream Showdown
- One day in Mac
Chapter 7 Grandfather Mangtae's Conspiracy
Chapter 8 All join forces
Chapter 9: Final Greetings
- One day with Lee Ji-yool
- One day in Jeon Min-su's life
Detailed image

Into the book
I was frustrated the moment I saw the face and age of the child ghost I had to bring back for the final mission.
‘A sharp gaze and hair sticking out… … .
'You're a year older than me?'
--- p.17, from “Chapter 1_Dangerous School”
"Brother! But don't you think it's a bit much to put the juniors who are training hard at the boxing gym in danger? What if someone gets hurt while you're using all that force like before?"
“Be quiet! Do you know what I’m thinking?”
The dark energy around Kwon Ji-wook grew larger and larger.
I felt a power that was incomparable to that of the river fall.
--- p.31, from “Chapter 2_The Prank That Stolen Life”
“I will protect Minsu!”
The grim reaper was standing in front of me with his back to me, barely able to block Kwon Ji-wook's strength, but he was gradually pushed back by the black energy.
I could see the grim reaper's body trembling.
--- p.36, from “Chapter 3_Defeat and Frustration”
It was late afternoon, so there was no one in the gym, but in the boxing gym, the coach and students were still training hard.
Kwon Ji-wook sat on an empty chair in the corner and glared at the students in the ring.
“Brothers, juniors…, you’re really good at boxing?”
“Does that look good to you now?”
--- p.47, from “Chapter 4_Boxing Gym of Memories”
Mac's office was hung with colorful fabrics of red, yellow, and green, making it look like a fortune teller's shop.
At that moment, I felt a gaze looking at me from a large body hunched over in a small chair in the far corner.
The appearance of the Mac was that it had the trunk of an elephant, the body of a bear, the tail of a cow, the eyes of a rhinoceros, and the claws of a tiger.
--- p.60, from “Chapter 5_Amulet that leads into dreams”
While the colorful taxi was hovering in the air, we climbed out the window and went to the junior's room.
I went in.
I looked down at my junior who was sleeping soundly and asked Kwon Ji-wook.
“Hyung, were you close with this junior?”
“Well, he’s a guy I’ve been training with since I was a kid.
“He is currently the elementary school champion.”
‘A sharp gaze and hair sticking out… … .
'You're a year older than me?'
--- p.17, from “Chapter 1_Dangerous School”
"Brother! But don't you think it's a bit much to put the juniors who are training hard at the boxing gym in danger? What if someone gets hurt while you're using all that force like before?"
“Be quiet! Do you know what I’m thinking?”
The dark energy around Kwon Ji-wook grew larger and larger.
I felt a power that was incomparable to that of the river fall.
--- p.31, from “Chapter 2_The Prank That Stolen Life”
“I will protect Minsu!”
The grim reaper was standing in front of me with his back to me, barely able to block Kwon Ji-wook's strength, but he was gradually pushed back by the black energy.
I could see the grim reaper's body trembling.
--- p.36, from “Chapter 3_Defeat and Frustration”
It was late afternoon, so there was no one in the gym, but in the boxing gym, the coach and students were still training hard.
Kwon Ji-wook sat on an empty chair in the corner and glared at the students in the ring.
“Brothers, juniors…, you’re really good at boxing?”
“Does that look good to you now?”
--- p.47, from “Chapter 4_Boxing Gym of Memories”
Mac's office was hung with colorful fabrics of red, yellow, and green, making it look like a fortune teller's shop.
At that moment, I felt a gaze looking at me from a large body hunched over in a small chair in the far corner.
The appearance of the Mac was that it had the trunk of an elephant, the body of a bear, the tail of a cow, the eyes of a rhinoceros, and the claws of a tiger.
--- p.60, from “Chapter 5_Amulet that leads into dreams”
While the colorful taxi was hovering in the air, we climbed out the window and went to the junior's room.
I went in.
I looked down at my junior who was sleeping soundly and asked Kwon Ji-wook.
“Hyung, were you close with this junior?”
“Well, he’s a guy I’ve been training with since I was a kid.
“He is currently the elementary school champion.”
--- p.66, from “Chapter 6_Dream Showdown”
Publisher's Review
Underworld Fantasy X Safety Education Fairy Tale
The long-awaited final volume!
"One Day, I Became a Ghost ③" is the final story of Jeon Min-su, who came to the afterlife with his body and soul separated, struggling to return to his original world.
It contains a profound theme of the preciousness of life and safety common sense within an interesting view of the afterlife.
In particular, in this volume, the tension of the story increases as Grandpa Mangtae makes a full-fledged appearance.
In old tales, Grandfather Mangtae is known as a figure who usually catches children who have done bad things.
However, in this book, he breaks away from the traditional character interpretation and appears as a villain who wreaks havoc in the underworld, indiscriminately capturing young souls and plotting to have the protagonist break the jar.
The presence of a villain in a story is one of the elements that makes the reader more immersed.
In a crisis that crosses the boundary between the afterlife and the living world, Jeon Min-su's grandfather's plan is ultimately foiled thanks to the connections he has made over the years, teaching him the lesson of punishing evil and promoting good.
One thing to note in this book is the relationship between the grim reaper and Jeon Min-su, which is revealed in the latter half of the story.
The past of the Grim Reaper is revealed through 'Mac', a monster who shows dreams.
This reminds us of the grim reaper's actions toward Jeon Min-su in volumes 1 and 2, and brings about a heartbreaking feeling of emotion.
Indeed, what kind of story is hidden between Jeon Min-su and the grim reaper?
What is the identity of the child ghost staying at the school?
School safety rules to protect myself and my friends
'One Day, I Became a Ghost' is a series planned to raise awareness about children's safety accidents.
While volumes 1 and 2 discussed traffic safety and water safety, volume 3 deals with school safety.
As readers witness the ghosts of children who have each lost their lives in accidents of their own, they learn that a careless prank or a moment of carelessness can lead to a terrifying accident.
The last child ghost in 『One Day, I Became a Ghost ③』 is Kwon Ji-wook, who had an accident at school.
Ji-wook Kwon, an elementary school boxing champion, lost his life after taking a risky action while relying on his own strength and ability.
My dream of becoming a national representative and my future were shattered in an instant.
School should be the safest place, but we must remember that it is a place where serious accidents can occur if we let our guard down.
So, what should we do to ensure a safe school life? The "Safety Encyclopedia" section within the text outlines three rules for school safety.
If you want to know the safety precautions you must follow during school life, open this book now!
The long-awaited final volume!
"One Day, I Became a Ghost ③" is the final story of Jeon Min-su, who came to the afterlife with his body and soul separated, struggling to return to his original world.
It contains a profound theme of the preciousness of life and safety common sense within an interesting view of the afterlife.
In particular, in this volume, the tension of the story increases as Grandpa Mangtae makes a full-fledged appearance.
In old tales, Grandfather Mangtae is known as a figure who usually catches children who have done bad things.
However, in this book, he breaks away from the traditional character interpretation and appears as a villain who wreaks havoc in the underworld, indiscriminately capturing young souls and plotting to have the protagonist break the jar.
The presence of a villain in a story is one of the elements that makes the reader more immersed.
In a crisis that crosses the boundary between the afterlife and the living world, Jeon Min-su's grandfather's plan is ultimately foiled thanks to the connections he has made over the years, teaching him the lesson of punishing evil and promoting good.
One thing to note in this book is the relationship between the grim reaper and Jeon Min-su, which is revealed in the latter half of the story.
The past of the Grim Reaper is revealed through 'Mac', a monster who shows dreams.
This reminds us of the grim reaper's actions toward Jeon Min-su in volumes 1 and 2, and brings about a heartbreaking feeling of emotion.
Indeed, what kind of story is hidden between Jeon Min-su and the grim reaper?
What is the identity of the child ghost staying at the school?
School safety rules to protect myself and my friends
'One Day, I Became a Ghost' is a series planned to raise awareness about children's safety accidents.
While volumes 1 and 2 discussed traffic safety and water safety, volume 3 deals with school safety.
As readers witness the ghosts of children who have each lost their lives in accidents of their own, they learn that a careless prank or a moment of carelessness can lead to a terrifying accident.
The last child ghost in 『One Day, I Became a Ghost ③』 is Kwon Ji-wook, who had an accident at school.
Ji-wook Kwon, an elementary school boxing champion, lost his life after taking a risky action while relying on his own strength and ability.
My dream of becoming a national representative and my future were shattered in an instant.
School should be the safest place, but we must remember that it is a place where serious accidents can occur if we let our guard down.
So, what should we do to ensure a safe school life? The "Safety Encyclopedia" section within the text outlines three rules for school safety.
If you want to know the safety precautions you must follow during school life, open this book now!
GOODS SPECIFICS
- Date of issue: October 30, 2025
- Format: Hardcover book binding method guide
- Page count, weight, size: 112 pages | 332g | 148*210*12mm
- ISBN13: 9791162042076
- ISBN10: 1162042079
- KC Certification: Certification Type: Conformity Confirmation
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