Welcome to the official site of Nintai Ryu Aiki Ju-Jitsu, where you will discover a modern Budo. Nintai Ryu Aiki Ju-Jitsu is a complete martial art, inspired by ancient traditions but adapted to today's reality. Our schools promote the study of combat principles and self-defence in a safe and relaxed environment. Nintai Aiki Ju-Jitsu teaches you personal self-defense, as well as self-improvement, better health and inner discipline.