Emiri Uchi, better known in the English translation by her nickname "Ucchi," is Tomoko's second then third-year classmate. Because she could not form a group of five with her friends for the school trip to Kyōto, she along with Yoshida and Yuri are put in Tomoko's group. Since that time and despite her initial dislike of Tomoko, she has become progressively interested in to obsessed with Tomoko to the point of developing a crush while still declaring that she finds her behavior "disgusting".