New Release

My Inner Ear Quartet
Text: Ogawa Yoko, Illustration: Yamamura Koji
Kodansha Ltd.
1st edition: 2026.10.29
The Worst Day
Text: Satoshin, Illustration: Yamamura Koji
Jitsugyo no Nihon Sha, Ltd. 
1st edition: April 7, 2026.04.07

Selected Sole-Authored Books

THE WING ~ウイング~
Parade
Text & Illustration: Yamamura Koji
Kodansha
2015.09.24
THE WING ~ウイング~
Bells are Ring
Text and Illustration: Yamamura Koji
Bunkeido
2018.04
THE WING ~ウイング~
Ikuta no Kita
Text & Illustration: Yamamura Koji
Yamamura Animation
2023.03.11
THE WING ~ウイング~
Animation Nature
Understanding Contemporary Animations from Concept and Design
Author: Koji Yamamura, Illustration: Yamamura Koji
Film Art, Inc.
2025.12.19

Fruits Friends' Fresh Talk Series

Fruits Friends' Fresh Talk
Text: Ishizu Chihiro, Illustration: Yamamura Koji
Fukuinkan Shoten Publishers
2006.06.15
Viva Vegetables !
Text: Ishizu Chihiro, Illustration: Yamamura Koji
Fukuinkan Shoten Publishers
2010.06.10

4th place: MOE Children's Picture Book Store Award

Athletes of Sweets
Text: Ishizu Chihiro, Illustration: Yamamura Koji
Fukuinkan Shoten Publishers
Fantastic Kitchen Circus
Text: Ishizu Chihiro, Illustration: Yamamura Koji
Fukuinkan Shoten Publishers
2022.10.10

Miyazawa Kenji

Ame ni mo Makezu / Rain Won't
Text: Miyazawa Kenji, English Translation: Arthur Binard, Illustration: Yamamura Koji
Ima-Jin sha
2015.11.03
Orion Shobo Picture Book Grand Prix December 2013, This month's Eh-ha! Picture Book of the Month
Yamanashi / Mountain Stream
Text: Miyazawa Kenji, English Translation: Arthur Binard, Illustration: Yamamura Koji
Ima-Jin sha
2022.04.08
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Chief of Police Who Likes to Poisonous Fishing
Text: Miyazawa Kenji, Illustration: Yamamura Koji
miki house
2022.10

Non-fiction

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A Witch's Day
Secrets to Becoming a Witch
Written by Iijima Toyoko, Illustrated by Yamamura Koji
Kinnohoshisha
2023.09
Exploring the Polar Night
Takusan no Fushigi February 2020 issue
Text: Kakuhata Yusuke, Illusratiom: Yamamura Koji
Fukuinkan Shoten Publishers
2020.02.01
What's That Cloud?
Text: Tomiyasu Yoko, Illustration: Yamamura Koji
Fukuinkan Shoten Publishers
2018.05.05
I'm a Daphnia.
Text: Sato Madoka, Illustration: Yamamura Koji
Froebel-kan
2018.06

Wordplay

Horse is Running
Text: Uchida Rintaro, Illustration: Yamamura Koji
2018.04
Knead with Cats
Text: Hayashi Kirin, Illustration and Constitution: Yamamura Koji
BL Publisher
2015.01.20
Nn
Kodansha's Original Picture Book
Text: Nagata Hiroshi, Illustration: Yamamura Koji
Kodansha
2013.09.20

Nonsense

Komatta Komatta
Text: Fushimi Misao, Illustration: Yamamura Koji
Alice Kan
2024.08.08
Peek-A Zou
Text: Otsuka Kenta, Illustration: Yamamura Koji
Iwasaki Shoten
2024.04.17
Saigyo Tsutsumigadaki
Kodan-Ehon series
Supervisor: Kanda Matsuojo, Illustration: Yamamura Koji
Kodansha
2019.11.26
Mr. Wolf, What Time Is It?
Text: Nakagawa Hirotaka, llustration: Yamamura Koji
Gakken
2019.05.28
For the Sake of Mr. Whale, We'll Do Whatever It Takes
Text: Uchida Rintaro, Illustration: Yamamura Koji
Suzuki Publishing
2015.10.10
Nippon Ehon Prize
Long is Beautiful
Text: Satoshin, Illustration: Yamamura Koji
PHP Interface
2014.05.18
White Ravens
Really !?
Text: Satoshin, Illustration: Yamamura Koji
Bunkeido
2014.10

Fantasy

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Cleaning of the Bath, Goldfish Corps
Written by Tominaga Mai, Illustrated by Yamamura Koji
Sekaibunka Holdings
2023.07.15
The White Hare of Inaba - Onamuji and Yagamihime
Nixon no shinwa Kojiki Ehon Vol.4
Supervisor: Miura Yusuke, Text: Ogiwara Noriko, Illustration: Yamamura Koji
2016.11.30
My Grandma is Kickboxer
Text: Nejime Shoichi, Illustration: Yamamura Koji
Kumon Publisher
2016.04.27
Tiny, Giant Tree

Text: Yumemakura Baku, Illustration: Yamamura Koji
Shogakukan
2015.07.22
Shogakukan Award for Children's Literature

Boiled Egg Princess
Text: Kanda Sumiko, Illustration: Yamamura Koji
Kyouikugageki
2011.10.30
Boiled Egg Princess and Meatballs Thieves
Text: Kanda Sumiko, Illustration: Yamamura Koji
Kyouikugageki
2014.11.01
The Lost Groves
Tokusen Kodomo no Tomo Library 2018, January issue
The public conpetition text as 60th anniversary of founding Fukuinkan Shoten publishers
Text: Etsuko Ohara, Illustration: Yamamura Koji
Fukuinkan Shoten Publishers
2019.01.01

Illustrated Book

Fushigi Soushi
Written by Tomiyasu Yoko, illustrated by Yamamura Koji
Shogakukan
2023.04.19
The Seven Sneezes
Text: Olga Cabra, Translation: Komiya Yu, Illustration: Yamamura Koji
Iwanami Shoten
2021.07.28
Illustrated Tale "Kojiki"
Text: Tomiyasu Yoko, Illustration: Yamamura Koji, Superviser: Miura Hiroyuki
Kaishe-sha
2017.11.20
White Ravens
Sow Bug, Dangoro
Ohanashi no Kuni
Text: Mio Chizuru, Illustration: Yamamura Koji
Suzuki Publishing
2014.05.30

Tsukumo-san Series

Specter Family Tsukumo-san
Series: Specter Family Tsukumo-san
Text: Tomiyasu Yoko, Illustration: Yamamura Koji
Riron-sha
2012.01.22
Specter Brothers Go to School
Series: Specter Family Tsukumo-san
Text: Tomiyasu Yoko, Illustration: Yamamura Koji
Riron-sha
2015.01
Youkai Ikka Tsukumosan Gaiden
Cat Ghost Treasure Chest
Series: Specter Family Tsukumo-san
Text: Tomiyasu Yoko, Illustration: Yamamura Koji
Riron-sha
2025.04.18
Leave it to Nuralihyon Papa! Vol. 1
The Friends of Dororon Village
Series: Specter Family Tsukumo-san
Text: Tomiyasu Yoko, Illustration: Yamamura Koji
Riron-sha
2022.05
Yamamura Animation, Inc.
Tokyo, Japan
info@yamamura-animation.jp
Yamamura Koji
kojiyamamura@gmail.com