Abstract

The Muscle CEO × The Used Car Industry Revolutionary—First-Ever Tag Team!
Testosterone, the charismatic muscle CEO who boldly proclaims, "Muscles never betray you!"
Yusaku Nakano, the business world revolutionary changing the status quo of the used car industry.

Two powerhouses who continuously deliver results through overwhelming action.
Why do these two remain unstoppable—!?
The secret lies in their daily "habits"!

In fact, over 70% of life is made up of habits.
It is no exaggeration to say that Life = Habits.
In other words:
Change your habits, and you change your life!
Master the ultimate habits, and you'll live the ultimate life!

How do you achieve peak productivity?
How do you maintain peak physical and mental health?
How do you make life go incredibly right?
How do you break through to extraordinary heights?
How do you skyrocket your life satisfaction?

The answers lie in the 35 master techniques introduced in this book to dramatically tune up your mind and body.

Are you ready to change your life?
Let’s get started right now!

【TABLE OF CONTENTS】
Chapter 1: Ultimate Time Management Habits — Time is Life
Chapter 2: Ultimate Physical Management Habits — Physical Condition is the Foundation of Everything
Chapter 3: Ultimate Mindset Habits — Thoughts Become Reality
Chapter 4: Ultimate Action Habits — Action is Everything
Chapter 5: Ultimate Money Habits — Invest in What Has True Value

Author’s Information

Born in Japan in 1988, Testosteron (Testosterone) moved to the US in high school and fully enjoyed American life through college graduation. He currently operates a company overseas and lives across Asia as a fitness enthusiast. Although he reached 110 kg as an obese high schooler, discovering strength training helped him successfully lose nearly 40 kg. With "Japan's Health and Happiness Plan" as his life mission, he works on various projects to improve health and happiness throughout Japan. His books include *Overcoming Self-Blame: Live Without Enduring (Manga Edition)* (Shufunotomo), *Living Stress-Free* (Kizuna Publishing), and the *Strength Training is the Ultimate Solution* series.

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Born in Sanuki City, Kagawa Prefecture, in 1982. Dropped out of high school at 16 to become a construction worker. Joined BIG MOTOR, a second-hand car dealer, in October 2008. Resigned in May 2017 and founded BUDDICA in the same month, incorporating it in April 2018 as CEO. Achieved 5-Star Certification on Auto Server, the largest wholesale platform, and became No. 1 nationwide in sales volume for FY2021 (among roughly 70,000 members nationwide), maintaining the No. 1 spot for 5 consecutive years through FY2025. Driven by organizational reform, annual sales reached 10 billion yen in FY2024 and 17.5 billion yen in FY2025. Launched BUDDICA DIRECT, an e-commerce car service, in January 2024. The YouTube channel "Yusaku Nakano / Car and Life." has over 540,000 subscribers (as of July 2026). Author of *Sound the Horn! A Proposal for an Unchanging Used Car Industry* and *Nothing But Growth Matters* (both published by Gentosha).