Keito Nichi  

Ivrogne, ニチ・ケイト

Keito is a 15-year old girl who has dark green hair. She serves as the class representative for Takuto's class and frequently reprimands Kanako for teasing him during lessons. As the president of Southern Cross High School Science Club, she often conducts experiments with students, sometimes using them as lab rats, such as in the case of Tiger. Keito is also the leader of the third division of Crux Brigade, Bouganveila, and goes by the alias Ivrogne.