It is said that, after Yoshinaka KISO was killed by MINAMOTO no Yoshitsune, Daisuke NISHINA escaped to Iga Province and completed Togakushi-ryu school by incorporating Iga style ninjutsu.
木曽義仲が源義経に討たれた後は伊賀に逃れ、伊賀流忍術をも取り入れて完成させたとされる。