Data collection Period: October 8th Thu- October 14th Wed, 2026
*The previous ranking is based on a comparison with the period from September 24th Thu to September 30th Wed, 2026. (Unless otherwise stated, it is a new release.)

<Top 15 Business (Management) Stories>

1. What if Tokugawa Ieyasu were a modern-day CEO? by Nobuki Nagai / East Press 2. "Manga Explains Why Real Estate M&A Works Well When the Real Estate Industry Does It" by Yu Sumie and the Real Estate M&A Consultants Association / Fusosha 3. Five Weapons of Competitive Strategy to Avoid Being Crushed by AI by Makoto Shirota / Nikkei BP 4. Company Quarterly Report Industry Map 2027 Edition (Previous: 2nd) Edited by Toyo Keizai Inc. / Toyo Keizai Inc. 5. Even If You Lose, Run Again (Previous: 3rd) by Seiichi Takarabe / NewsPicks 6. Matagi Drive: A Theory of De-Human Intelligence Civilization at the Edge of Computational Nature by Yoichi Ochiai / PLANETS (Second Planetary Development Committee) 7. Possible Thinking: You Can Do Anything You Imagine by Manabu Tsuzuki / KADOKAWA 8. Nikkei Industry Map 2027 Edition (Previous: 7th) Nikkei Inc. Edited by Nikkei Business Publications 9th AI Management Course (Previous: 6th) Matsuo & Iwasawa Laboratory / Shueisha International 10th Textbook of Excel Financial Modeling 2 Hattori Hiroya / Tax Accounting Association 11th MUJI Dissection (Previous: 12th) Umekuni Noriyuki / Nikkei BP 12th Bain Capital (Previous: 8th) Bain Capital / Nikkei BP 13th M&A as General Knowledge Written by Japan's First M&A-Focused Firm (Previous: 10th) Recof Research Department / Nikkei Business Publications 14th Profitable AI for Solo Entrepreneurs Tanaka Ryota / Asuka Publishing 15th Textbook of Excel Financial Modeling 1 (Previous: Unranked) Hattori Hiroya / Tax Accounting Association

<Top 15 Business (Self-Improvement) Tips>

1st: The Complete Guide to Reading in the AI Era (Previous Rank: 1st) by Yasuhiro Watanabe / Asahi Shimbun Publications 2nd: Why I Was Able to Change by Hiroaki Sugita / Kodansha 3rd: General Knowledge for Living, Volume 1 (Previous Rank: 9th) by Tsutomu Horiuchi / Toyo Keizai Inc. 4th: Study Methods for Exhausted People (Previous Rank: 5th) by Shugo Hotta / Toyo Keizai Inc. 5th: Behavioral Change by Daiki Matsumura / Eiji Publishing 6th: Scientifically Proven by Psychology x Neuroscience x Behavioral Economics Habits of People Who Don't Worry (Previous Rank: 3rd) Shugo Hotta / Discover Twenty-One 7th The Sense of Intellectual Productivity (Previous Rank: 2nd) Ken Kusunoki, Shu Yamaguchi / Nikkei Business Publications 8th A Visualization Textbook to Get What You Want to Do Moving Marie Matsuoka / Subarusha 9th The World's Most Cruel Notice About Happiness Seo Eun-guk / Toyo Keizai Inc. 10th Why Do Stupid Decisions Get Made When "Smart People" Gather? (Previous Rank: 6th) Hajime Ota / Nikkei Business Publications 11th What Do the World's Top Professionals Do on "Weekday" Nights? (Previous Rank: 7th) Shinji Koshikawa / Cross Media Publishing 12th The Melancholy of Consultants (Previous Rank: 4th) Shohei Matsumoto / Chuo Keizai Sha 13th All the Technology for Problem Solving Transformed by AI (Previous Rank: 10th) Hisako Shimizu / Gijutsu Hyoronsha 14th This is pretty serious. Eleven / Bookstore 15th Place: The Strategy of the Have-Nots (Previous Ranking: 15th) Tsuyoshi Ushio / Asahi Shimbun Publications

<Top 15 Economic and Financial Topics>

1st: Leave 90% of the work to AI: Almost hands-off stock investing (Previous ranking: 3rd) Investor Go / KADOKAWA 2nd: The man called the "legendary banker" (Previous ranking: 1st) Naoto Ohits / Nikkei Business Publications 3rd: Save 100 million yen while working: The complete procedure for AI stock investing (Previous ranking: 6th) Masaaki Kamioka / Ascom 4th: Money University to gain true freedom: Revised Edition (Previous ranking: 13th) Ryo @ Liber University President / Asahi Shimbun Publications 5th: The absolute basics of investing that you can't ask about now: Visual Edition Revised New Edition (Previous Rank: 15th) Michiko Izumi / Asahi Shimbun Publications 6th AI is the Strongest Ally, the Worst Enemy Yukio Noguchi / President Inc. 7th Private Equity Capitalism Will Devour the World (Previous Rank: 8th) Brendan Ballou / Toyo Keizai Inc. 8th The Complete Guide to Semiconductor Stocks & AI Stock Investment (Previous Rank: 4th) Michi Okei / Subarusha 9th Making 100 Million Yen at Age 60 with "Stock Notes" (Previous Rank: 5th) Ryoji Kobayashi / Diamond Inc. 10th How to Spend Money That You Absolutely Must Not Do Takafumi Horie / Bookstore 11th The Absolute Basics of Money You Can't Ask About Now Visual Edition Revised New Edition (Previous Rank: 12th) Michiko Izumi / Asahi Shimbun Publications 12th FUTURES LITERACY Michiaki Matsushima / NewsPicks 13th What destroyed the Japanese economy? (Previous: 2nd) Takuji Aida / Diamond Inc. 14th Real estate fund business (Previous: 9th) Motohiro Ogura / Cross Media Publishing 15th Stock investments that a mom investor made 100 million yen in while on maternity leave (Previous: Unranked) Choruko / Diamond Inc.

<Top 10 Literary Books>

1st Momo (Previous: 1st) Michael Ende / Bookstore 2nd Still at Honnoji Temple (Previous: 3rd) Shogo Imamura / Gentosha 3rd Kizumono Nishi Kanako / Shogakukan 4th Kibou no Ko Ichiho Michi / Bungei Shunju 5th In the Megachurch (Previous: 8th) Ryo Asai / Nikkei Business Publications 6th Eternal Memory (Previous: 2nd) Keigo Higashino / Bungei Shunju 7th That Day's Chocolate Kaori Eguni / Hakusensha 8th Horloge (Previous: 10th) Satoshi Ogawa / Kodansha 9th Looking into Loneliness Yoko Ogawa / Kodansha 10th Girlfriend Before 0 Seconds Masahiro Imamura / Futabasha

Data collection Period: September 1st Tue- September 30th Wed, 2026

1. Master English in 100 Days: 10 Minutes a Day of Native English Copying by Brett Lindsay / Sunmark Publishing 2. Eternal Memories by Keigo Higashino / Bungei Shunju 3. The Complete Guide to Reading in the AI Era by Yasuhiro Watanabe / Asahi Shimbun Publishing 4. Beyond the Book by Koichiro Kokubun and Masayasu Wakabayashi / Bungei Shunju 5. Company Handbook Industry Map 2027 Edition edited by Toyo Keizai Inc. / Toyo Keizai Inc.