[Double reprint immediately after release] We’re holding a social media campaign where six people will win a signed copy of “Space Brothers: Leader Stories & Team Stories”!
Gakken Holdings Co., Ltd. Press release: September 2, 2025 To Members of the Press [Double reprints immediately after release] We’re holding a social media campaign where six people will win a signed copy of “Space Brothers: Leader Stories & Team Stories”! Win a signed copy to commemorate the double reprint! You’ll also receive a Space Brothers smartphone wallpaper. Gakken Holdings Co., Ltd. (Shinagawa, Tokyo / President and CEO: Hiroaki Miyahara), a group company of Gakken Holdings Co., Ltd. Gakken (Shinagawa, Tokyo / CEO: Nanjo Tatsuya, hereinafter Gakken) has decided to reprint “Space Brothers: Leader’s Story” and “Space Brothers: Team’s Story” (released August 7, 2025) on Tuesday, August 12, 2025. To show our appreciation to everyone, we will be holding a gift campaign.
https://prcdn.freetls.fastly.net/release_image/2535/8081/2535-8081-e2e9116932952f15cbe29567f088fc08-1280×670.jpg
https://prcdn.freetls.fastly.net/release_image/2535/8081/2535-8081-a6ab8397c7128dd04b2f8012229feb1e-1200×900.jpg ▲Original smartphone wallpaper featuring the cover illustrations of “Space Brothers: Team Story” and “Space Brothers: Leader Story” ■Tips for team and leadership learned from “Space Brothers” The manga “Space Brothers” depicts the growth of two brothers, Mutta and Hibito, who aspire to become astronauts. It’s packed with profound lessons that are applicable to business and organizational building. If you’re struggling with teamwork issues, we recommend “Space Brothers: A Team Story”. Learn how astronauts with diverse personalities and values become the ultimate team… After reading, you’ll feel like “teams are fascinating!” And if you’ve lost confidence in your own leadership skills, then read “Space Brothers: A Leader Story”. In an age where there are no right answers, their story of moving forward step by step toward the future while respecting diverse values will gently encourage you in the midst of uncertainty. ◆For the article at the time of release, seeClick here [Author Profile] Akira Nagao
Organizational development facilitator. Representative director of Nagao Komuten Co., Ltd. After graduating from Nihon Fukushi
University, he studied outdoor education at Tokyo Gakugei University. After working for an adventure education training company, a toy manufacturer, and a human resources consulting firm, he went independent. Over the course of approximately 30 years, he has conducted over 3,000 team building sessions for companies,
organizations, education, and sports. Currently, he works as an “air employee” at several corporations, facilitating organizational development through business development, service development, and cross-sectional projects both inside and outside the company. [Product Overview]
https://prcdn.freetls.fastly.net/release_image/2535/8081/2535-8081-6c19558829a0b98e984cb184394deef6-817×1200.jpg ■ “Space Brothers: Change your team with “psychological flexibility” leadership!” “Leader’s Story” Author: Akira Nagao Price: 1,650 yen (tax included) Release date: Thursday, August 7, 2025 Format: 46/200 pages Electronic version: Yes ISBN: 978-4-05-407058-5 Publisher: Gakken Co., Ltd. Gakken Publishing
Website:https://hon.gakken.jp/book/1340705800 [Click here to purchase this book] ・Amazon https://www.amazon.co.jp/dp/4054070582/ ・Rakuten Books https://books.rakuten.co.jp/rb/18261142/ ・Seven Net
https://7net.omni7.jp/detail/1107625930 ・Kindle
https://www.amazon.co.jp/dp/B0FKZVW767/ ・Rakuten Kobo
https://books.rakuten.co.jp/rk/b655b1f025c33ff28487b06554dec5c8/
https://prcdn.freetls.fastly.net/release_image/2535/8081/2535-8081-9650117b62850639790ad4efdfdf6feb-817×1200.jpg ■ “Space Brothers: Make work more fun with constraint-driven teamwork!” “Team Stories” Author: Akira Nagao Price: 1,650 yen (tax included) Release date: Thursday, August 7, 2025 Format: 46/224 pages Electronic version: Yes ISBN: 978-4-05-407057-8 Publisher: Gakken Co., Ltd. Gakken Publishing Website:https://hon.gakken.jp/book/1340705700 [Click here to purchase this book] ・Amazon
https://www.amazon.co.jp/dp/4054070574/ ・Rakuten Books
https://books.rakuten.co.jp/rb/18261141/ ・Seven Net
https://7net.omni7.jp/detail/1107625929 ・Kindle
https://www.amazon.co.jp/dp/B0FKZZQP7S/ ・Rakuten Kobo
https://books.rakuten.co.jp/rk/e01a11657c703ac09fd5839cf52c3c84/ ■Gakken Inc. https://www.corp-gakken.co.jp/ ・Representative Director and President: Nanjo Tatsuya ・Date of establishment: January 13, 2009 (trade name changed on October 1, 2022) ・Capital: 50 million yen ・Location: 141-8416 2-11-8 Nishigotanda, Shinagawa-ku, Tokyo ・Business Description: Publishing and content business, global business, medical and nursing publishing content business, business for kindergartens and schools, classroom-related business, e-commerce and online business, and advertising business ■GAKKEN HOLDINGS CO., LTD. https://www.gakken.co.jp/ ・President and CEO: Hiroaki Miyahara ・Date of incorporation: March 31, 1947 ・Capital: 19,817 million yen ・Sales: 185.5 billion yen, 79 consolidated subsidiaries (fiscal year ending September 2024) Tokyo Stock Exchange Listed on the Prime Market (Stock Code: 9470) ・Address: 2-11-8 Nishigotanda, Shinagawa-ku, Tokyo 141-8510 ・Telephone: 03-6431-1001 (Main) ・Business Description: Holding company established in 1946, engaged in education, medical care, and welfare-related businesses. Education Sector: Classroom and cram school operations, including “Gakken Classroom,” Publishing and content business, including educational materials, Preschool and school operations, including textbooks and childcare supplies, Medical and Welfare Sector: Serviced housing for the elderly, Dementia group homes, Childcare support services, including nurseries and
after-school programs, Global: Activities and operations in over 150 countries.