First Book by Investor Choruko, with Over 400 Million Yen in Assets, Hits Pre-Launch Reprint
Individual investor Choruko's first book, 'Stock Investment: How a Mom Investor Saved 100 Million Yen During Maternity Leave,' will be released by Diamond Inc. on May 20. Due to overwhelming pre-orders, a major reprint was decided, surpassing 34,000 copies. The book introduces investment methods to grow assets in limited time.
📋 Article Processing Timeline
- 📰 Published: May 20, 2026 at 19:00
- 🔍 Collected: May 20, 2026 at 10:31
- 🤖 AI Analyzed: May 20, 2026 at 11:08 (36 min after Collected)
## The Strongest Investment Method Taught by a Mom Investor with Assets Exceeding 400 Million Yen
The first book by individual investor Choruko, who has been featured in various media, titled 'Stock Investment: How a Mom Investor Saved 100 Million Yen During Maternity Leave,' is set to be released by Diamond Inc. on May 20. Due to massive pre-orders, a major reprint has already been decided, with distribution now exceeding 34,000 copies.
### A Baby in One Arm, a Smartphone in the Other!
Choruko first purchased stocks in 2011 with 2.4 million yen, influenced by her parents. In 2019, while on maternity leave, she began studying stock investment in earnest. She established a unique investment style by combining short-term day trading with long-term investment in high-dividend stocks, surpassing 100 million yen in assets in just two years.
Her main battleground is 'large-cap stocks,' primarily from well-known companies. Despite limited time due to childcare, she has grown her assets efficiently, currently reaching over 400 million yen.
This book introduces methods to improve the accuracy of investment decisions, such as how to read charts, four steps to determine the optimal buying time, and time management skills. It is an essential book for busy business professionals and parents planning for their future wealth formation.
■ Book Information
- Title: 'Stock Investment: How a Mom Investor Saved 100 Million Yen During Maternity Leave'
- Author: Choruko
- Price: 1,870 yen (including tax)
- Release Date: May 20, 2026
- Publisher: Diamond Inc.
- Format: 46-ban, 256 pages
- URL: https://www.amazon.co.jp/dp/4478122989
The first book by individual investor Choruko, who has been featured in various media, titled 'Stock Investment: How a Mom Investor Saved 100 Million Yen During Maternity Leave,' is set to be released by Diamond Inc. on May 20. Due to massive pre-orders, a major reprint has already been decided, with distribution now exceeding 34,000 copies.
### A Baby in One Arm, a Smartphone in the Other!
Choruko first purchased stocks in 2011 with 2.4 million yen, influenced by her parents. In 2019, while on maternity leave, she began studying stock investment in earnest. She established a unique investment style by combining short-term day trading with long-term investment in high-dividend stocks, surpassing 100 million yen in assets in just two years.
Her main battleground is 'large-cap stocks,' primarily from well-known companies. Despite limited time due to childcare, she has grown her assets efficiently, currently reaching over 400 million yen.
This book introduces methods to improve the accuracy of investment decisions, such as how to read charts, four steps to determine the optimal buying time, and time management skills. It is an essential book for busy business professionals and parents planning for their future wealth formation.
■ Book Information
- Title: 'Stock Investment: How a Mom Investor Saved 100 Million Yen During Maternity Leave'
- Author: Choruko
- Price: 1,870 yen (including tax)
- Release Date: May 20, 2026
- Publisher: Diamond Inc.
- Format: 46-ban, 256 pages
- URL: https://www.amazon.co.jp/dp/4478122989
FAQ
What is Choruko's main investment strategy?
She focuses on large-cap stocks, utilizing a hybrid of short-term day trading and long-term dividend investing.
What is covered in the book?
It includes chart reading techniques, four steps for identifying buying opportunities, and time-management strategies for wealth building.
Who is the book intended for?
It is aimed at busy professionals and parents who have limited time for investing.