She is one of the beautiful girls of Hoto School according to a list compiled by the girls and boys in the school, and she herself has a fan club. She is tall compared to the other girls, but she is the beautiful girl of the school who doesn't like boys but likes girls but hides it. She is the girlfriend of Tanikawa Sakura, another beautiful girl on the list like her, and they have been dating since middle school because she often saw Sakura secretly looking at her. At first, they were very close friends, until near the end of their first year, Sakura confessed her love, preparing herself to be rejected. However, Ayumi agreed to date her because Ayumi had a crush on Sakura for a while as well, and she was also a member of the student council.