Sensei

Sensei (real name unknown) is the sensei of Kyujin, Ren, Tamari and Kento.

Appearance
She wears red cowboy-styled clothes. Her hair is long and black.

Personality
She cares for her pupils despite her training being rash (mainly with Kyujin). She strongly despises Sekka, who killed her comrades and fiancé in the past.

Trivia

 * She calls Kyujin "Namecaca" and Ren "Ren-Ren".