×

Gymuso Apparel uses cookies to offer you a smoother and more personalised experience. By continuing we assume that you are consenting to all cookies on our website. Read more

When a manga artist...

a psychologist...

and an author unite.

$27.00

The Journal Of Kaizen

Best sellers

Our Best Selling Products!

The Ninja Saga Collection

Release Your Inner Ninja With These Exclusive Gym Shorts!

The Swordsman Saga Collection

Release Your Inner Swordsman With These Exclusive Gym Shorts!

What our customers

are saying

Frequently Asked

Questions

Need Help? We've got you covered!

What are the benefits of using the Kaizen journal?

6. It helps track your progress, set daily goals, stay organized, and build consistency in achieving long-term change.

What is the Kaizen journal?

The Kaizen journal is a guided tool designed to help you make small, daily improvements in your fitness, habits, and personal life.

What is your return/exchange policy?

We offer returns or exchanges within 30 days of purchase, as long as the item is in original condition with tags attached.

Can I use the Kaizen journal for non-fitness-related goals?

Absolutely! The journal is designed to help with any kind of personal improvement, whether in fitness, productivity, mental health, or other areas.

When will my order ship?

All in-stock orders received by 12pm will be shipped out the same day. Orders received after 12pm will be shipped out the following day. 

What sizes are available for the gym shorts?

Our shorts are available in sizes XS to XXL. You can refer to our size chart for detailed measurements.

Are Manga Muscle products made with high-quality?

Yes, we are committed to providing premium products that help you stay motivated and achieve your goals.

Do you offer any discounts or promotions?

We occasionally offer promotions and discounts. Be sure to sign up for our newsletter to stay updated on the latest deals!

Company

About Us

Blog

Reviews

Community

New

Our Stories

Retailer Portal

Infomation

Contact Us

FAQ

Terms & Conditions

Privacy Policy

Newsletter
Enter your email address for new arrivals, discounts, promotions, and more!
  • © 2025 Manga Muscle
×

Someone recently bought a