Gikan Ryu Koppo Taijutsu Happo Biken (Truth, Loyalty and Justice School).

Founded in 1558 Uryu Hangan Gikanbo, this school specialises in Koppojutsu. It has many special kicks, punches and throws, and a dynamic footwork.

Uryu Gikanbo was famus for his powerful punch. He is said to once have punched a sword blade in half.

The current soke is Masaaki Hatsumi