Hyakka Ryouran:Samurai Girls Wiki

A General is a man who can make a pact with a samurai. The samurai after making the pact can turn into a Master Samurai. The symbol of the pact is a kiss.

Until now the known generals are:

Muneakira Yagyū: the general of Jubei Yagyū, Sen Tokugawa, and Yukimura Sanada.

Yoshihiko Tokugawa: the general of Charles d'Artagnan.

Amakusa Shirō: the general of Gisen Yagyū.