Saya became good friends with her classmate Kasumi during the high school entrance ceremony, and since then they often eat their bentos together. A kind person who cares deeply about her friends, she often lends an ear to Kasumi. She is also a filial girl, helping out at her family's bakery, Yamabuki Bakery, even during the school term. She has a younger brother and sister. She apparently used to play in a girls' band when she was still in middle school, but now...