Original founder: Ohtomo Komaro .

Style founder ostensibly: Hiramatsu Taro Yoshihira.

Resurgence of the style attributed to: Ban Koka Hyouei no jou Yorihiro.

A general style of combat/military methods passed doen through the Koka family.

Comprehensive system content: sword, spear, naginata, bou, kama, jutte. Special weapon usage: yawara, torite, killing, rope, kappou, as well as temptaion(kiku), mippou (esoteric ways), life force(unki) military methods, and shintou.

Koka Shinobi no den military usage/transmision.

Very old, from Muromachi through Sengoku it grew and became constricted in Edo period. Secret teachings of Mikawa and Oumi Ban family. Since it is a comprehensive system, we will limit to discussions of bujutsu

Rank system: Omote, Nakagokui, Gokui, Menkyo, Kaiden.

There are variant teachings in Jyosui ryu. Taishi den Shizuka Ryu y Toda Ryu