Ukan Kurihara

Оригінальне ім’я: 栗原有漢

She is a teacher who happens to also be Tenchi's immediate supervisor, she basically describe as straightforward and strict, however she is also sadistic as a dominatrix that she see Tenchi as her pet. She enjoys teasing him a lot, and at times she also likes exerting her dominance over him. (Source: ANN)