How a "26-year-old, zero savings, with loans" became a millionaire? Audiobook distribution of 'He Called It the "Wise Man's Investment Method"'
Gakken, a group company of Gakken Holdings, has started distributing the audiobook of 'He Called It the "Wise Man's Investment Method"' by individual investor Kenichi Minase on Amazon Audible and audiobook.jp. It introduces 25 years of investment experience in a story format and provides concrete know-how for beginner investors.
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- 📰 Published: May 7, 2026 at 19:00
- 🔍 Collected: May 7, 2026 at 10:31
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Gakken Co., Ltd. (Shinagawa, Tokyo / Representative Director and President: Tatsuya Nanjo), a group company of Gakken Holdings Co., Ltd. (Shinagawa, Tokyo / Representative Director and President: Hiroaki Miyahara), has started distributing the audiobook of 'He Called It the "Wise Man's Investment Method"' (Author: Kenichi Minase) on Amazon Audible (hereinafter, Audible) from Saturday, April 4, 2026, and on audiobook.jp by Otobank Co., Ltd. from Monday, May 4, 2026.
'He Called It the "Wise Man's Investment Method"'
■Audible: https://www.audible.co.jp/pd/B0GVDCQDZP
■audiobook.jp: https://audiobook.jp/product/274812
Since 2024, the new NISA system has started, significantly expanding the tax-exempt investment limit, making long-term investment easier to practice. iDeCo is also being developed as a system to support the formation of retirement funds, and the number of people starting "investment" is increasing.
On the other hand, the proportion of cash and deposits in Japanese household financial assets is still high.
Among those who have finally started investing, not a few people quit investing for reasons such as "it didn't increase as much as I expected" or "I'm worried about principal loss."
In this book, individual investor Kenichi Minase, the author himself, shares his 25 years of actual investment experience in a story format.
Mr. Minase, who co-authored the bestseller 'Passive Investment Method' with the late economic critic Hajime Yamazaki and popularized index investing, answers questions and concerns about investment by revealing his 25-year journey from a completely ordinary salaryman with zero investment knowledge to a millionaire.
Due to the popularity of this book, it has been made into an audiobook and distribution has started.
Part I tells the author's investment experiences in early, middle, and late stages in a story format. Part II introduces the lessons and practical advice derived from those experiences, along with theoretical backing. The Q&A section answers many questions from readers of Mr. Minase's blog "Umayashiki Shopping Street Random Walker."
The "Start GUIDE to Index Investing Optimized for Japanese People" included at the end of the book condenses the author's know-how for those who are about to start investing. You are sure to find concrete actions you can start today.
▲Table of Contents
【Main Contents】
■Prologue "The Mark of a Failure"
26 years old, zero savings, two car loans. "This can't go on" — it all started with a conversation with a friend at an izakaya.
【Part I】Practical Edition
■Chapter 1 The Great Wandering Era Before Index Investing
Days spent engrossed in chart analysis and fundamental analysis. However, what awaited were convenient excuses like "deception" and "priced in," and ever-increasing fees.
■Chapter 2 The Tumultuous Journey of Index Investing 【Early Stage】 (2000, 27 years old ~ 2009, 36 years old)
The encounter with the fateful book 'A Random Walk Down Wall Street' illuminated the darkness. But the time of peace was short, and assets halved in the Lehman Shock. The hope called "giving up" that the author found in the depths of despair.
■Chapter 3 The Perplexing Journey of Index Investing 【Middle Stage】 (2009, 36 years old ~ 2019, 46 years old)
Profits and losses continued to hover in the negative for five years. How did he overcome the longest and toughest period of patience in his investment life, where the phrase "bad averaging down leads to poverty" gnawed at his heart?
■Chapter 4 The Bountiful Journey of Index Investing 【Late Stage】 (2020, 47 years old ~)
Diligent continuation bore fruit, and assets quietly surpassed 100 million yen. Even overcoming the Corona Shock, he received tailwinds from the ideal investment trust "All Country" and the new NISA.
■Chapter 5 What I Learned Through Early, Middle, and Late Stages
【Part II】Theoretical Edition
■Chapter 6 Five Truths of Investment and Life Learned Over 25 Years
■Chapter 7 How to Use, Withdraw, and Close Out Increased Money in the Future
【Part III】Q&A Edition
■Kenichi Minase Answers Your Investment Questions and Concerns!
He honestly answers readers' questions such as "How much should I start investing with?" and "Is it too late to start investing in my 50s or 60s?"
■Book in Book: Let's Get Started! Index Investment Start GUIDE Optimized for Japanese People
[Author Profile]
Kenichi Minase
Born in Tokyo in 1973. An office worker at an IT company in Tokyo and an individual investor in a downtown area. Since 2005, he has been writing the investment blog "Umayashiki Shopping Street Random Walker," which has become a bible for index investing. Mr. Minase has become synonymous with index investing.
'He Called It the "Wise Man's Investment Method"'
■Audible: https://www.audible.co.jp/pd/B0GVDCQDZP
■audiobook.jp: https://audiobook.jp/product/274812
Since 2024, the new NISA system has started, significantly expanding the tax-exempt investment limit, making long-term investment easier to practice. iDeCo is also being developed as a system to support the formation of retirement funds, and the number of people starting "investment" is increasing.
On the other hand, the proportion of cash and deposits in Japanese household financial assets is still high.
Among those who have finally started investing, not a few people quit investing for reasons such as "it didn't increase as much as I expected" or "I'm worried about principal loss."
In this book, individual investor Kenichi Minase, the author himself, shares his 25 years of actual investment experience in a story format.
Mr. Minase, who co-authored the bestseller 'Passive Investment Method' with the late economic critic Hajime Yamazaki and popularized index investing, answers questions and concerns about investment by revealing his 25-year journey from a completely ordinary salaryman with zero investment knowledge to a millionaire.
Due to the popularity of this book, it has been made into an audiobook and distribution has started.
Part I tells the author's investment experiences in early, middle, and late stages in a story format. Part II introduces the lessons and practical advice derived from those experiences, along with theoretical backing. The Q&A section answers many questions from readers of Mr. Minase's blog "Umayashiki Shopping Street Random Walker."
The "Start GUIDE to Index Investing Optimized for Japanese People" included at the end of the book condenses the author's know-how for those who are about to start investing. You are sure to find concrete actions you can start today.
▲Table of Contents
【Main Contents】
■Prologue "The Mark of a Failure"
26 years old, zero savings, two car loans. "This can't go on" — it all started with a conversation with a friend at an izakaya.
【Part I】Practical Edition
■Chapter 1 The Great Wandering Era Before Index Investing
Days spent engrossed in chart analysis and fundamental analysis. However, what awaited were convenient excuses like "deception" and "priced in," and ever-increasing fees.
■Chapter 2 The Tumultuous Journey of Index Investing 【Early Stage】 (2000, 27 years old ~ 2009, 36 years old)
The encounter with the fateful book 'A Random Walk Down Wall Street' illuminated the darkness. But the time of peace was short, and assets halved in the Lehman Shock. The hope called "giving up" that the author found in the depths of despair.
■Chapter 3 The Perplexing Journey of Index Investing 【Middle Stage】 (2009, 36 years old ~ 2019, 46 years old)
Profits and losses continued to hover in the negative for five years. How did he overcome the longest and toughest period of patience in his investment life, where the phrase "bad averaging down leads to poverty" gnawed at his heart?
■Chapter 4 The Bountiful Journey of Index Investing 【Late Stage】 (2020, 47 years old ~)
Diligent continuation bore fruit, and assets quietly surpassed 100 million yen. Even overcoming the Corona Shock, he received tailwinds from the ideal investment trust "All Country" and the new NISA.
■Chapter 5 What I Learned Through Early, Middle, and Late Stages
【Part II】Theoretical Edition
■Chapter 6 Five Truths of Investment and Life Learned Over 25 Years
■Chapter 7 How to Use, Withdraw, and Close Out Increased Money in the Future
【Part III】Q&A Edition
■Kenichi Minase Answers Your Investment Questions and Concerns!
He honestly answers readers' questions such as "How much should I start investing with?" and "Is it too late to start investing in my 50s or 60s?"
■Book in Book: Let's Get Started! Index Investment Start GUIDE Optimized for Japanese People
[Author Profile]
Kenichi Minase
Born in Tokyo in 1973. An office worker at an IT company in Tokyo and an individual investor in a downtown area. Since 2005, he has been writing the investment blog "Umayashiki Shopping Street Random Walker," which has become a bible for index investing. Mr. Minase has become synonymous with index investing.