Emi Kojima

A girl from Evergreen who transfers to Chihaya's school under the name Emi Kojima. Her real name is Septem. She is in love with Bergamot, but he is only attracted to her because of her resemblance to his wife, Emi Hiiragi. She works with Bergamot to help protect Chihaya from Fennel and Calendula.

(Source: Wikipedia)