Adult Self-Defense Classes in Livonia, MI — Traditional Japanese JuJutsu
Koyama Dojo is the Honbu Dojo for Hakko Denshin Ryu JuJutsu (HDRJJ) in North America, practicing the traditions of Shodai Soke Lamonica.
With over 25 years of teaching experience, our instructors deliver the traditional Shihan/Deshi style of one-on-one instruction. As active members of the global Hakko Denshin Ryu Federation, our commitment is to uphold and pass on this potent martial art.
Why Train at Koyama Dojo?
Hakko Denshin Ryu JuJutsu is a practical self-defense art built on leverage, body mechanics, and structure, not size or strength. Our techniques work for anyone, regardless of age or athletic ability. Whether you're looking for real-world self-defense skills, personal discipline, or a deeper connection to traditional Japanese martial arts, Koyama Dojo offers a focused, supportive training environment for adults.
Classes are held Monday and Friday evenings (7:00-8:30pm) and Saturday mornings (10:00-11:30am) at our dojo on Farmington Road in Livonia. No experience is required. Just show up ready to learn.