Welcome to our site! Thank you for visiting.

The primary purpose of this site is to share our knowledge about the Japanese Feudal Warrior culture.

Including Japanese Archery, Weapons, Horsemanship, Taiko drumming, Drama and Plays, Ornamental fish, Bonsai trees, Ink art, Cooking and the Tea ceremony as well.

This site was really built with you in mind and we hope you will find it useful.

The BUYU KAI is a not for profit organisation established by Sosai Gary Hoffman of NINJUTSU INTERNATIONAL as the Social Society for members. Its charter is to promote friendship and fellowship among our community of like minded individuals by engaging all in cultural activities of a complimentary nature to the martial art we practice also general activities include social get together for BBQ’s, Movies, sport events, camps etc.

Sosai Garyu


We offer NINJAFIT® well-being/fitness/health system and Ninjutsu/Budo Taijutsu training based on Bujinkan Ninjutsu/Budo Taijutsu as taught by Soke Dr Masaaki Hatsumi of Noda City Japan.
As well as nationally recognized accredited training and education courses in Fitness Instructor and Personal Trainer qualifications and Sports (Coaching) Specialization: Martial Arts plus Sports Coaching (other sports specializations).

The Organisation

The 'RTO - Facilitator' relationship began in 2003 with International College of Kenshusei to ensure all of our martial arts organisation instructors were appropriately qualified and now in 2016 we are proud to offer other REGISTERED TRAINING ORGANISATION's courses.

Any student wishing to become a Sensei (instructor) within our martial arts organisation must undergo Cert III & IV Sports (Coaching) Specialisation: Martial Arts (Ninjutsu/Jujutsu) training, hold a Senior First Aid certificate and Police clearances as a minimum requirement before instructing in a dojo, training which we provide 'in house'.

The same high standard of professionalism is required from our fitness/sport coaching industry trainers and qualifying students as we require from our martial arts instructors.

ALL instructors undergo 'working with children' police clearances and child safe evaluation.
ALL instructors undergo 'Child safe environment' & 'sport coach - child coaching electives' training courses
ALL instructors hold senior first aid and CPR certification.

We have in place member protection, harassment, discrimination and abuse policies and risk management policies reviewed regularly.

All Nationally recognized qualifications training delivered in association with a REGISTERED TRAINING ORGANISATION
All Nationally recognized qualifications issued by a REGISTERED TRAINING ORGANISATION

All this, as well as . . .
Ninjutsu International, Aussie Ninja Kids, NINJAFIT & Buyu Kai (Warrior Friends Society) courses for schools since 2001. NINJAFIT through the AASC - Active After Schools Communities program (Australian Sports Commission approved) since 2005 , kids/youth organisations, council vacation care, after school care and corporate clients, including: Ninjafit®, Samuraifit™, Karatefit™ and Warriorfit™ fitness programs, bonsai, Japanese cooking, tea ceremony, drama/plays, ink art, archery, Taiko drumming and traditional weapons Japanese cultural activities.

Trading names include:


Note: NINJAFIT - is a registered trademark of NINJUTSU INTERNATIONAL Pty Ltd.