Five Hundred Years and Fifteen
Characters
Prologue 1: Hidden Myths
Prologue 2: The 89th Name

Part 1: The Suspicious Triplets
transfer students
pelvis of the kidney
Yahoo tribe
Spring of Repaying Kindness

Part 2: A Wavering Heart
phew
Seonhwa and Dusim
With you
birthday
mind

Part 3 Half Yahoo
Yahoo's Festival
white bottle
oil well
identity
invite
A rose is a rose

Part 4: The Bead War
Weight of the bead
The Missing Child
training
fate

Epilogue: A New Life
Author's Note

The Weight of Fifteen Two Beads for Five Hundred Years
Characters
Prologue 1: The Tale of Kim Hyeon
Prologue 2 Class Assignment

Part 1: A New Beginning
Class 3, Grade 3
Between us
Mother-daughter conflict
Mountain beyond the mountain

Part 2: The Birth of Yahorang
move
preparation
Yahorang
Honey Yuzu

Part 3: The Yahorang Who Loved Humans
doubt
emergency meeting
undercover employment
Seyeon and Hyeon
mirror
ulterior motive

Part 4: The Final Counterattack
Autumn is chased away
Mrs. Ja
Showtime

Epilogue
Author's Note

Five hundred years, fifteen three two beads
Characters
Prologue 1: Promise
Prologue 2: Application Form

Part 1: High School Student Lee Ga-eul
Entrance ceremony
phew
Report card
love triangle

Part 2 Our Time
funeral service
consolation
Proposal
accident
Truths Uncovered

Part 3: The Secret of the Beads
three friends
With Jin
The power of the first bead
Watching closely
Doho

Part 4: First Bead vs. First Bead
tiger eyebrows
Humans and animals
two beads

Epilogue: New Abilities
Author's Note

The Future of the Fifteen-Four Beads in Five Hundred Years
Characters
Prologue 1: The Meaning of Spirit
Prologue 2: The Eve

Part 1 Changes
wedding ceremony
new family
Responsibility of the beads
rate

Part 2: The Distance Between You and Me
Seohee and Hu
confession
sorrow
The future is coming

Part 3: Yahorang Coming Out
crisis
new era
The future has returned
Worry vs. Anticipation

Part 4: Choosing a Bead
Fake Yahoo
I'll fool you
Building a bridge

Epilogue: Seo-woo
Author's Note

Five Hundred Years of Fifteen Fan Books
Author's Note
Essay_『Fifteen Years in Five Hundred Years』Does the author really exist?!
Interview_The Editor Asks Author Kim Hye-jeong
Side Story_Flower Embroidered Ribbon
Character Focus: Ga-eul, Shin-woo, Hu, Yu-jeong, Hyeon, Yul
AMA_Ask author Kim Hye-jeong anything about "Fifteen Years"!
Spring Grandma's Life Counseling Center: Sharing 500 Years of Wisdom
Academic Ability Test_Looking for passionate readers of 『Fifteen Years in Five Hundred Years』!

Written together with readers
Records of 『Fifteen Years in Five Hundred Years』

Pocheon City Book of the Year 2025
2024 Asan City Book of the Year
2024 School Library Journal Recommended Books
2024 Yes24 Youth Book Selection 365
Book Seed Best Books of 2023-2024 (Young Adult Category)
2023 Morning Reading Recommendations
2023 Yongin City Book of the Year
2023 Youth Book Token Selections
2022 Kyobo Bookstore Youth Category Best 3
The 21 Best Librarians Chosen by Librarians at the 2022 National Library Conference
2022 Publishers' Books of the Year
2022 KBBY Featured Children's and Youth Books
2022 Arts Council Korea Literature Sharing Selections
2022 Booktase Summer Recommendations
2022 Book Seed Youth Topic-Based Recommendations
2022 National Library for Children and Young Adults Librarian & Peer Recommended Books
Export of copyright to Russia and Taiwan

Five Hundred Years and Fifteen
Five hundred years ago, at the age of fifteen, Autumn received a bead from the first Yaho spirit and became Jongyaho.
When you become Yahoo, time in your body stops, so you live forever as long as you have the beads.
Is living forever a blessing or a curse? Over the course of five hundred years, Autumn endures constant doubts about life, the sadness of having to leave those she shared her heart with because she couldn't reveal her true identity, and the confusion of her identity as an unwelcome being to both humans and Yaho. She builds a wall around herself to avoid giving her heart to anyone, living a lonely life.
However, Ga-eul gradually realizes her own destiny and role through tears and laughter through the precious relationships she has met throughout her long life, such as Yaho Ling, who gave her her first bead, Yaho Hugh, who has always supported her and stayed by her side, and Shinwoo, a human who accepted her as she was even though he knew her true identity.
Finally, in the midst of the war between the Yaho and Tiger tribes over the first bead, Autumn makes a completely different choice than before and achieves remarkable growth.

Five Hundred Years, Fifteen 2: The Weight of the Beads
Autumn unites the two races that have been at odds for a long time into the Yahorang and becomes the first leader of the Yahorang.
But peace is short-lived, as the ageless Yahorang's existence is in danger of being revealed to the world by a pharmaceutical company.
To solve the problem herself, Autumn disguises herself as an adult and works at a pharmaceutical company for a month to gather information.
However, the information that Autumn discovers ultimately leads to Autumn being kicked out of her position as leader and provides the justification for harming the wild tiger humans.
In a situation where there is no more room to retreat, Ga-eul remembers the pearl that Su-su fed to Shin-woo… … .
Autumn's thrilling counterattack to protect both the yahorang and humans unfolds in a thrilling way that will keep you glued to your screen.

Five Hundred Years, Fifteenth: Two Beads
Gaeul, who is curious about life after middle school, goes to high school with Shinwoo and Yujeong.
Surprisingly, the homeroom teacher is Jin, Ungnyeo's younger sister, and another member of the Ung tribe who possesses the first bead.
Autumn begins to believe in and follow Jin, who resembles the spirit who gave her the first bead.
Jin says that the first bead has amazing powers and can even bring the dead back to life.
Autumn decides to revive the spirit she longs for and secretly learns from Jin how to manifest the first bead.
However, as if jealous of the peaceful days of autumn, a female idiot who was punished by having her disguise skills suspended due to Silver Pharmaceutical's work contacts her and tells her that the first tiger, Doho, has appeared and attacked her.
What could be the reason for the reappearance of Doho, who erased all traces of himself as if he were dead? As Ga-eul investigates Doho, she encounters a conspiracy to seize the immense power of the First Orb.


Five Hundred Years, Fifteen 4: The Future of the Beads
Yahorang, who lives among humans while hiding his identity, suffers as a monster every time his identity is discovered.
Autumn holds a meeting to solve this chronic problem, and it is decided to feed the ghost beads to all humans who know Yahorang's true identity to erase their memories.
Gaeul knew that she would have to break up with her human boyfriend, Shinwoo, someday, but she didn't want to disappear from Shinwoo's memories like this.
At that time, Jongyaho Yul, who had been active as a kingmaker at every important moment in human history, proposed that Yahorang's true identity be proudly revealed to the world.
Autumn expects that the conservative Bonyaho and Bonhorang will oppose, but the Yahorangs accept Yul's proposal and actively prepare for the coming out project.
But after obtaining the complete bead and seeing the future, Ga-eul discovers that the Coming Out Project is a scheme to get rid of Yahorang...
Autumn is forced to make an irreversible choice to protect Yahorang.