[Sold out on Amazon in just half a day after release!] Practical Side Hustle Guide for Medical Professionals and Researchers, "Earn an Extra 100,000 Yen Monthly with Your Expertise: The Zero-to-Side-Hustle Method for Medical Professionals and Researchers," Released on April 14th
mMEDICI Co., Ltd. has announced the release of "Earn an Extra 100,000 Yen Monthly with Your Expertise: The Zero-to-Side-Hustle Method for Medical Professionals and Researchers." The book, a practical guide for medical professionals and researchers to start side hustles, sold out on Amazon.co.jp within half a day of its launch on April 14, 2026. To commemorate this success, a free online webinar will be held on April 16th.
📋 Article Processing Timeline
- 📰 Published: April 15, 2026 at 19:00
- 🔍 Collected: April 15, 2026 at 10:31
- 🤖 AI Analyzed: April 16, 2026 at 01:52 (15h 20m after Collected)
mMEDICI Co., Ltd. (Headquarters: Tokyo, CEO: Naoki Hirose) is pleased to announce the release of "Earn an Extra 100,000 Yen Monthly with Your Expertise: The Zero-to-Side-Hustle Method for Medical Professionals and Researchers" (Author: Naoki Hirose), a practical guide for medical professionals and researchers to start side hustles leveraging their expertise. The book was released by Chugai Igaku-sha on April 14, 2026. The work received a significant response from its release day, selling out on Amazon.co.jp within half a day of its launch (temporary stockout). To commemorate the publication of this book, a free online webinar will be held on April 16th (Thursday).
Sold out on Amazon in half a day – The "thirst for side hustles" among medical professionals and researchers visualized
Immediately after its release on April 14th, interest in the book rapidly spread through the medical and research professional communities, primarily on social media, leading to a sell-out on Amazon.co.jp within half a day of its launch. This clearly demonstrates how many medical and research professionals, who possess advanced expertise, feel they "don't know how to start a side hustle" or "want to monetize their expertise." The book was written based on the real-life experiences of the author, who is an expert in medical research and went from side hustles to entrepreneurship, achieving 100 million yen in annual sales in his first year of business. The systematic explanation of "side hustle strategies for experts," which differentiates it from general side hustle books, had already garnered significant attention on social media and other platforms even before its release.
"A side hustle is a means to expand the scope of your expertise. And if you can achieve an extra 100,000 yen in monthly income as compensation, your life will change significantly." — Naoki Hirose (from the "Foreword" of the book)
A Book to Break Through the "Side Hustle Wall" Faced by Experts
In recent years, with government initiatives promoting side hustles, diverse working styles are becoming more widespread. However, general side hustle know-how is not always suitable for individuals with highly specialized expertise, such as medical professionals and researchers. Experts require unique strategies to monetize their skills while giving back to society and maintaining balance with their primary profession. This book directly addresses these challenges, comprehensively covering practical know-how, from mindset to actual implementation, for achieving an extra 100,000 yen in monthly income with nearly zero initial investment. The market's reaction, selling out in half a day, proves the substantial latent demand for such "side hustle books for experts."
Main Features of the Book:
* **Monetization Strategies Specialized for Experts:** Comprehensively explains specific side hustle models that leverage expertise, ranging from SNS utilization and blog building to webinars, online salons, article writing, and consulting.
* **Provision of Practical Operational Knowledge:** Details essential knowledge for safe and smooth side hustles, including procedures for opening a sole proprietorship, tax-saving measures, legal considerations, and coordination with one's primary job.
* **Transformation of Mindset:** Presents indispensable ways of thinking for experts to succeed in side hustles, such as "No expertise is worthless" and "Zero initial investment, hate costs."
Book Overview:
* Title: Earn an Extra 100,000 Yen Monthly with Your Expertise: The Zero-to-Side-Hustle Method for Medical Professionals and Researchers
* Author: Naoki Hirose (CEO, mMEDICI Co., Ltd.)
* Publisher: Chugai Igaku-sha
* Release Date: April 14, 2026
* Price: 3,080 yen (2,800 yen + tax)
* Specifications: A5 size, 176 pages
* ISBN: 978-4-498-14878-9
* Detailed URL: Chugai Igaku-sha Book Detail Page
* *Note: Currently out of stock on Amazon.co.jp, but restocking is scheduled. Available at bookstores nationwide and the official Chugai Igaku-sha online store.*
Author Profile:
* Naoki Hirose (Hirose Naoki)
* CEO / Principal Epidemiologist, mMEDICI Co., Ltd.
* Studied epidemiology using large-scale medical data at the Department of Health Sciences, Faculty of Medicine, and the Graduate School of Public Health, the University of Tokyo. After serving as an epidemiology specialist in the safety division at Eli Lilly Japan and in the global division at Johnson & Johnson Innovative Medicine, he founded mMEDICI Co., Ltd. in April 2024. The company provides career support services specifically for life science professionals, and he works as a specialist consultant. He publishes in-depth analyses of real-world data on his blog and X (formerly Twitter) as "Dr. Sukito-horu," with over 26,000 X followers. His previous books include "Textbook for Corporate Researchers: 33 Strategies to Advance Your Career" (Kodansha) and "Highly Practical Real-World Data Business Textbook" (Kinposhodo).
* Master of Public Health (The University of Tokyo) / Doctor of Health Sciences (Hiroshima University)
Free Webinar to Commemorate Publication:
To celebrate the release of the book and its significant reception, a free online webinar will be held with author Naoki Hirose as the speaker. This webinar will condense the essence of the book, explaining the mindset and specific strategies for experts to succeed in side hustles.
* Date and Time: Thursday, April 16, 2026, 21:00-22:00
* Format: Online (Zoom)
* Participation Fee: Completely Free
* Target Audience: Medical and research professionals considering a side hustle, those who have not yet achieved an extra 100,000 yen per month from their side hustle.
* Application Deadline: Thursday, April 16, 2026, 20:59
* Missed Broadcast: Saturday, April 18, 2026 – Saturday, April 25, 2026
* Details and Application: [Link to details/application]
About mMEDICI Co., Ltd.:
mMEDICI was founded by specialist researchers and medical professionals with the aim of creating a platform for top-tier knowledge. We deliver first-class learning accessible to anyone, anytime, anywhere, maximizing the value of top-tier knowledge and breaking down educational disparities.
* Webinar Business (mERASMUS): With the motto "100 Years of Burning Passion for Learning in Your Heart," we invite leading researchers from around the world as instructors, attracting around 1,000 participants monthly with zero advertising costs. In one year, we hosted a total of 12,193 attendees, with an average instructor fee of 1.85 million yen per lecture, and invited 102 students facing economic hardship.
* Online School Business (mJOHNSNOW): With the motto "Public Health as a Way of Life," we offer fixed-rate, admission-screened courses and chat consultations on clinical research and public health, supervised by specialists, accessible "anytime, anywhere." Since its launch in September 2024, we have exceeded 1,800 cumulative registrants, with a fellow satisfaction rate of approximately 95.6% and a retention rate of about 98.0%. Specialists and aspiring specialists from medical institutions, corporations, universities, and government agencies are active here.
* Real-World Data Utilization Support Business (mNIGHTINGALE): With the motto "Maximizing the Potential of Real-World Data," we leverage the CEO's experience and network from working as an epidemiology specialist for global companies in Japan and worldwide, harmonizing science and business to provide optimal support for utilizing real-world data to achieve business strategies. Since our launch in August 2024, we have partnered with six companies.
* Job Placement Support Business (mDAVINCI): Here, medical research and healthcare specialists with corporate experience serve as agents themselves, providing high-resolution career consultations, job referrals, and offer support from start to finish, coordinating with mJOHNSNOW and mERASMUS.
* Establishment: April 24, 2024
* Representative: Naoki Hirose (Doctor of Health Sciences / Master of Public Health)
* Business Activities: Webinars, Online Schools, Research Support
* Company HP: mMEDICI - Prosperity in Knowledge, Abundance in the Wilderness
* Inquiries: company@mmedici.co.jp
* Company Inquiry Form
Sold out on Amazon in half a day – The "thirst for side hustles" among medical professionals and researchers visualized
Immediately after its release on April 14th, interest in the book rapidly spread through the medical and research professional communities, primarily on social media, leading to a sell-out on Amazon.co.jp within half a day of its launch. This clearly demonstrates how many medical and research professionals, who possess advanced expertise, feel they "don't know how to start a side hustle" or "want to monetize their expertise." The book was written based on the real-life experiences of the author, who is an expert in medical research and went from side hustles to entrepreneurship, achieving 100 million yen in annual sales in his first year of business. The systematic explanation of "side hustle strategies for experts," which differentiates it from general side hustle books, had already garnered significant attention on social media and other platforms even before its release.
"A side hustle is a means to expand the scope of your expertise. And if you can achieve an extra 100,000 yen in monthly income as compensation, your life will change significantly." — Naoki Hirose (from the "Foreword" of the book)
A Book to Break Through the "Side Hustle Wall" Faced by Experts
In recent years, with government initiatives promoting side hustles, diverse working styles are becoming more widespread. However, general side hustle know-how is not always suitable for individuals with highly specialized expertise, such as medical professionals and researchers. Experts require unique strategies to monetize their skills while giving back to society and maintaining balance with their primary profession. This book directly addresses these challenges, comprehensively covering practical know-how, from mindset to actual implementation, for achieving an extra 100,000 yen in monthly income with nearly zero initial investment. The market's reaction, selling out in half a day, proves the substantial latent demand for such "side hustle books for experts."
Main Features of the Book:
* **Monetization Strategies Specialized for Experts:** Comprehensively explains specific side hustle models that leverage expertise, ranging from SNS utilization and blog building to webinars, online salons, article writing, and consulting.
* **Provision of Practical Operational Knowledge:** Details essential knowledge for safe and smooth side hustles, including procedures for opening a sole proprietorship, tax-saving measures, legal considerations, and coordination with one's primary job.
* **Transformation of Mindset:** Presents indispensable ways of thinking for experts to succeed in side hustles, such as "No expertise is worthless" and "Zero initial investment, hate costs."
Book Overview:
* Title: Earn an Extra 100,000 Yen Monthly with Your Expertise: The Zero-to-Side-Hustle Method for Medical Professionals and Researchers
* Author: Naoki Hirose (CEO, mMEDICI Co., Ltd.)
* Publisher: Chugai Igaku-sha
* Release Date: April 14, 2026
* Price: 3,080 yen (2,800 yen + tax)
* Specifications: A5 size, 176 pages
* ISBN: 978-4-498-14878-9
* Detailed URL: Chugai Igaku-sha Book Detail Page
* *Note: Currently out of stock on Amazon.co.jp, but restocking is scheduled. Available at bookstores nationwide and the official Chugai Igaku-sha online store.*
Author Profile:
* Naoki Hirose (Hirose Naoki)
* CEO / Principal Epidemiologist, mMEDICI Co., Ltd.
* Studied epidemiology using large-scale medical data at the Department of Health Sciences, Faculty of Medicine, and the Graduate School of Public Health, the University of Tokyo. After serving as an epidemiology specialist in the safety division at Eli Lilly Japan and in the global division at Johnson & Johnson Innovative Medicine, he founded mMEDICI Co., Ltd. in April 2024. The company provides career support services specifically for life science professionals, and he works as a specialist consultant. He publishes in-depth analyses of real-world data on his blog and X (formerly Twitter) as "Dr. Sukito-horu," with over 26,000 X followers. His previous books include "Textbook for Corporate Researchers: 33 Strategies to Advance Your Career" (Kodansha) and "Highly Practical Real-World Data Business Textbook" (Kinposhodo).
* Master of Public Health (The University of Tokyo) / Doctor of Health Sciences (Hiroshima University)
Free Webinar to Commemorate Publication:
To celebrate the release of the book and its significant reception, a free online webinar will be held with author Naoki Hirose as the speaker. This webinar will condense the essence of the book, explaining the mindset and specific strategies for experts to succeed in side hustles.
* Date and Time: Thursday, April 16, 2026, 21:00-22:00
* Format: Online (Zoom)
* Participation Fee: Completely Free
* Target Audience: Medical and research professionals considering a side hustle, those who have not yet achieved an extra 100,000 yen per month from their side hustle.
* Application Deadline: Thursday, April 16, 2026, 20:59
* Missed Broadcast: Saturday, April 18, 2026 – Saturday, April 25, 2026
* Details and Application: [Link to details/application]
About mMEDICI Co., Ltd.:
mMEDICI was founded by specialist researchers and medical professionals with the aim of creating a platform for top-tier knowledge. We deliver first-class learning accessible to anyone, anytime, anywhere, maximizing the value of top-tier knowledge and breaking down educational disparities.
* Webinar Business (mERASMUS): With the motto "100 Years of Burning Passion for Learning in Your Heart," we invite leading researchers from around the world as instructors, attracting around 1,000 participants monthly with zero advertising costs. In one year, we hosted a total of 12,193 attendees, with an average instructor fee of 1.85 million yen per lecture, and invited 102 students facing economic hardship.
* Online School Business (mJOHNSNOW): With the motto "Public Health as a Way of Life," we offer fixed-rate, admission-screened courses and chat consultations on clinical research and public health, supervised by specialists, accessible "anytime, anywhere." Since its launch in September 2024, we have exceeded 1,800 cumulative registrants, with a fellow satisfaction rate of approximately 95.6% and a retention rate of about 98.0%. Specialists and aspiring specialists from medical institutions, corporations, universities, and government agencies are active here.
* Real-World Data Utilization Support Business (mNIGHTINGALE): With the motto "Maximizing the Potential of Real-World Data," we leverage the CEO's experience and network from working as an epidemiology specialist for global companies in Japan and worldwide, harmonizing science and business to provide optimal support for utilizing real-world data to achieve business strategies. Since our launch in August 2024, we have partnered with six companies.
* Job Placement Support Business (mDAVINCI): Here, medical research and healthcare specialists with corporate experience serve as agents themselves, providing high-resolution career consultations, job referrals, and offer support from start to finish, coordinating with mJOHNSNOW and mERASMUS.
* Establishment: April 24, 2024
* Representative: Naoki Hirose (Doctor of Health Sciences / Master of Public Health)
* Business Activities: Webinars, Online Schools, Research Support
* Company HP: mMEDICI - Prosperity in Knowledge, Abundance in the Wilderness
* Inquiries: company@mmedici.co.jp
* Company Inquiry Form