Gakken's 'Summer Drills' featuring Sanrio Characters now available for pre-order! This one book is perfect for summer vacation!
Gakken Inc., a group company of Gakken Holdings, began pre-orders on April 1, 2026, for 'Sanrio Characters Summer Drill for 1st Graders' and 'Sanrio Characters Summer Drill for 2nd Graders' (scheduled for release on June 11, 2026). These drills allow children to review first-semester subjects with their favorite Sanrio characters.
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Gakken Inc. (Tokyo, Shinagawa / Representative Director and President: Tatsuya Nanjo), a group company of Gakken Holdings Co., Ltd. (Tokyo, Shinagawa / Representative Director and President: Hiroaki Miyahara), began pre-orders on April 1, 2026, for 'Sanrio Characters Summer Drill for 1st Graders' and 'Sanrio Characters Summer Drill for 2nd Graders' (scheduled for release on June 11, 2026).
Let's study with the super cute drills featuring Sanrio characters this summer vacation!
◆ Review all of the first semester's 'Math, Japanese, and English' in one book!
This book is a summer drill that combines Math, Japanese, and English in one volume, allowing children to learn with Sanrio characters.
With a manageable amount that can be completed in about 10 minutes per session, children can efficiently review the first semester without feeling overwhelmed.
Math and Japanese sections include a 'First Semester Summary' at the end, which helps with assessment and overcoming weaknesses!
◆ Learn happily with Sanrio characters!
Hello Kitty, My Melody, Kuromi, Cinnamoroll, Pompompurin, and Pochacco appear! Children can enjoy learning with their beloved Sanrio characters.
Math page
Japanese page
Puzzle page
The beginning of the book includes cute glitter stickers featuring Sanrio characters.
By placing an 'I Did It!' sticker on the calendar after completing each study session, children can maintain their motivation and complete the entire drill.
Additionally, 'Secrets of Sanrio Characters' are featured on every problem page.
There's no doubt that daily study will become enjoyable as children discover the secrets of their favorite Sanrio characters.
Glitter stickers
'Secrets of Sanrio Characters' readable on every problem page
◆ Develop study habits with calendars and posters!
To help children continue without getting bored, the calendar and 'I Did It!' stickers support sustained learning.
Furthermore, detachable 'Kanji Poster' and 'Math Poster' are included, allowing children to naturally memorize learning content by displaying them in their favorite places.
Kanji Poster
Math Poster
© 2026 SANRIO CO., LTD. APPROVAL NO. L671035
【Product Overview】
■ 'Sanrio Characters Summer Drill for 1st Graders'
■ 'Sanrio Characters Summer Drill for 2nd Graders'
Price: 1,100 yen each (tax included)
Scheduled Release Date: June 11, 2026
Format: A4, 56 pages
ISBN: 978-4-05-306402-8 (1st Grade) / 978-4-05-306403-5 (2nd Grade)
Digital Version: Undecided
Publisher: Gakken Inc.
【Click here to pre-order/purchase this book】
▽ 'Sanrio Characters Summer Drill for 1st Graders'
・Gakken Publishing Site: https://hon.gakken.jp/book/1130640200
・Amazon: https://www.amazon.co.jp/dp/4053064023
・Rakuten Books: https://books.rakuten.co.jp/rb/18590827
▽ 'Sanrio Characters Summer Drill for 2nd Graders'
・Gakken Publishing Site: https://hon.gakken.jp/book/1130640300
・Amazon: https://www.amazon.co.jp/dp/4053064031
・Rakuten Books: https://books.rakuten.co.jp/rb/18590828
■ Gakken Inc.
https://www.corp-gakken.co.jp/
・Representative Director and President: Tatsuya Nanjo
・Date of Corporate Establishment: January 13, 2009 (Trade name changed on October 1, 2022)
・Capital: 50 million yen
・Location: 2-11-8 Nishi-Gotanda, Shinagawa-ku, Tokyo 141-8416
・Business Activities: Publishing and content business, global business, medical and nursing publishing content business, kindergarten and school business, classroom-related business, EC and online business, advertising business.
■ GAKKEN HOLDINGS CO., LTD.
https://www.gakken.co.jp/
・Representative Director and President: Hiroaki Miyahara
・Date of Corporate Establishment: March 31, 1947
・Capital: 19,817 million yen
・Sales: 199.1 billion yen, Consolidated Subsidiaries: 82 companies (as of September 2025 fiscal year)
・Listed on Tokyo Stock Exchange Prime Market (Securities Code: 9470)
・Location: 2-11-8 Nishi-Gotanda, Shinagawa-ku, Tokyo 141-8510
・Phone Number: 03-6431-1001 (main)
・Business Activities: Education and medical welfare related, founded in 1946.
Let's study with the super cute drills featuring Sanrio characters this summer vacation!
◆ Review all of the first semester's 'Math, Japanese, and English' in one book!
This book is a summer drill that combines Math, Japanese, and English in one volume, allowing children to learn with Sanrio characters.
With a manageable amount that can be completed in about 10 minutes per session, children can efficiently review the first semester without feeling overwhelmed.
Math and Japanese sections include a 'First Semester Summary' at the end, which helps with assessment and overcoming weaknesses!
◆ Learn happily with Sanrio characters!
Hello Kitty, My Melody, Kuromi, Cinnamoroll, Pompompurin, and Pochacco appear! Children can enjoy learning with their beloved Sanrio characters.
Math page
Japanese page
Puzzle page
The beginning of the book includes cute glitter stickers featuring Sanrio characters.
By placing an 'I Did It!' sticker on the calendar after completing each study session, children can maintain their motivation and complete the entire drill.
Additionally, 'Secrets of Sanrio Characters' are featured on every problem page.
There's no doubt that daily study will become enjoyable as children discover the secrets of their favorite Sanrio characters.
Glitter stickers
'Secrets of Sanrio Characters' readable on every problem page
◆ Develop study habits with calendars and posters!
To help children continue without getting bored, the calendar and 'I Did It!' stickers support sustained learning.
Furthermore, detachable 'Kanji Poster' and 'Math Poster' are included, allowing children to naturally memorize learning content by displaying them in their favorite places.
Kanji Poster
Math Poster
© 2026 SANRIO CO., LTD. APPROVAL NO. L671035
【Product Overview】
■ 'Sanrio Characters Summer Drill for 1st Graders'
■ 'Sanrio Characters Summer Drill for 2nd Graders'
Price: 1,100 yen each (tax included)
Scheduled Release Date: June 11, 2026
Format: A4, 56 pages
ISBN: 978-4-05-306402-8 (1st Grade) / 978-4-05-306403-5 (2nd Grade)
Digital Version: Undecided
Publisher: Gakken Inc.
【Click here to pre-order/purchase this book】
▽ 'Sanrio Characters Summer Drill for 1st Graders'
・Gakken Publishing Site: https://hon.gakken.jp/book/1130640200
・Amazon: https://www.amazon.co.jp/dp/4053064023
・Rakuten Books: https://books.rakuten.co.jp/rb/18590827
▽ 'Sanrio Characters Summer Drill for 2nd Graders'
・Gakken Publishing Site: https://hon.gakken.jp/book/1130640300
・Amazon: https://www.amazon.co.jp/dp/4053064031
・Rakuten Books: https://books.rakuten.co.jp/rb/18590828
■ Gakken Inc.
https://www.corp-gakken.co.jp/
・Representative Director and President: Tatsuya Nanjo
・Date of Corporate Establishment: January 13, 2009 (Trade name changed on October 1, 2022)
・Capital: 50 million yen
・Location: 2-11-8 Nishi-Gotanda, Shinagawa-ku, Tokyo 141-8416
・Business Activities: Publishing and content business, global business, medical and nursing publishing content business, kindergarten and school business, classroom-related business, EC and online business, advertising business.
■ GAKKEN HOLDINGS CO., LTD.
https://www.gakken.co.jp/
・Representative Director and President: Hiroaki Miyahara
・Date of Corporate Establishment: March 31, 1947
・Capital: 19,817 million yen
・Sales: 199.1 billion yen, Consolidated Subsidiaries: 82 companies (as of September 2025 fiscal year)
・Listed on Tokyo Stock Exchange Prime Market (Securities Code: 9470)
・Location: 2-11-8 Nishi-Gotanda, Shinagawa-ku, Tokyo 141-8510
・Phone Number: 03-6431-1001 (main)
・Business Activities: Education and medical welfare related, founded in 1946.