Uni is a prodigy with a cool reserve who is accomplished in everything except for English.
Uni Kururugi is a straight faced high school girl who always wears a kitty hair clip to make something about her cute. Her teacher, Haruka Sakurai is a ladies man that all the female students want. But he is interested in Uni.
Yuni is a high school student known for her perfect grades and cool, expressionless face. Her only weakness seems to be in English.