Satomi Anzaki

Satomi knows Fujiwara and Miura from middle school and is the manager of the boys' team. Currently, she studies at Mizuho High. She used to be active in basketball, but due to an injury she obtained, she is now unable to do so.She seems to be very close with Tōya Takashina who is her classmate.

To Satomi, taking the responsibility of being the team's manager is a new way of contributing to the sport she loves.

source: wikipedia