Suzune Miyashita (Miyashita Suzune) is Musashino First High School baseball team's manager.
Suzune has short, brown hair and deep brown eyes. She is usually seen wearing Musashino's uniform.
It is seen they're very close, even back in Haruna's first year, and are the baseball team's couple. Ookawa confessed to her during the summer of their first year and she said okay. They have been dating ever since.