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Or just call/DM Mark on his cell- 090-1976-3232
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We can't wait to hear from you!
email- marksensei@inbox.com

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About 9Jitsu
9Jitsu (pronounced “cue-jitsu”) started when Mark Arbo, a black belt under Yuki Nakai, wanted a place where his own daughters could train Brazilian Jiu-Jitsu in a safe, positive, & supportive environment.
Built around fun, fitness, & family, 9Jitsu quickly grew into a close-knit community offering classes for all ages & experience levels. Whether you’re here for yourself or your kids, for self-defense, competition, fitness, or simply to hang out with an incredible group of people, 9Jitsu is where you belong.

OUR PROGRAMS

Brazilian Jiu Jitsu, MMA & Kickboxing
Sasebo & Arita


Spider Monkeys & Me
This program represents the heart of what 9Jitsu Brazilian Jiu-Jitsu is all about. There’s no “fighting” in this class. Instead, parents & children learn together through fast-paced games & playful movement that can be practiced anywhere.
To a child, it feels like nothing more than a fun time with mom or dad, but they’re actually learning balance, coordination, timing, sequences, & physical confidence — foundational skills that will support them for the rest of their lives.
(ages 3-6)
Ninjas
Brazilian Jiu-Jitsu is one of the most powerful tools a child can have — not just for self-defense, but for forging an amazing life. Confidence comes from facing fears & challenges head-on, & a confident kid is hard to stop.
Our Ninja classes are high-energy, engaging workouts where kids learn the fundamentals of Jiu-Jitsu in a safe, encouraging environment. They develop discipline, focus, & respect — cornerstones of martial arts — while building real-world skills like perseverance, humility, & leadership.
More than just a sport, Jiu-Jitsu teaches kids how to stay calm under pressure, think critically, & overcome obstacles — & it’s a ridiculous amount of fun.
(ages 7 & up)
Adults
At 9Jitsu, we run a beginner-friendly Jiu-Jitsu program built for real people. Out of shape? No problem. Never tried martial arts? Perfect. Think you’re too old? Think again. Send us a message & come give it a try. It’s a free trial — so what do you have to lose?
We offer gi & no-gi classes (don’t worry if that means nothing to you yet) for beginners & advanced students alike. Whether your goal is fitness, self-defense, making friends, or challenging yourself in a new way, Jiu-Jitsu will improve your life. Expect a great workout, a supportive community, & skills that stay with you for life.
Message us to book your free trial.
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Beginner Friendly & All Levels Welcome
MMA & KICKBOXING
Looking to try MMA or kickboxing in a safe, fun environment? These programs are led by Nishiyoka Sensei, a bilingual professional MMA fighter, and focus on high-quality coaching in striking, grappling transitions, & fight strategy.
Our beginner-friendly kickboxing classes focus on boxing, kickboxing, & Muay Thai fundamentals, helping students develop precision, power, & movement. For those looking to train in MMA, we incorporate takedowns & striking-to-grappling transitions to build a complete skill set in a safe, encouraging environment.
Popular With Men, Women & Children

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