Sano Fumiya is an infirmary doctor at the protagonist's school. He is seen as a big brother character to the protagonist, and has known her for many years. When she entered his school, she began to treat him more formally, which saddened him. He still feels great nostalgia for their old times together when they were closer. Sano is very over protective of the heroine and will do whatever it takes to keep her happy, even going against his friends to ensure this.

His flower is the Lotus. His birthday is July 13th and he is 31 years old.