Sayu Hisanuma (久沼 さゆ, Hisanuma Sayu) Voiced by: Kaori Ishihara (Japanese); Sarah Anne Williams (English)[2] A third grade elementary school girl with light brown pigtails and hazel eyes. She is Miuna's best friend and has a crush on Kaname. After the time skip, she enters middle school with Miuna and decides to study hard to become an independent woman, but her crush on Kaname also grows stronger and she tries her best to overcome it.