Sayu Hisanuma
久沼さゆ
About
A third grade elementary school girl with brown haired pigtails and eyes. She is Miuna's best friend who often instigates confrontations with sea people. She appears to have a crush on Kaname.
~!
After the timeskip, she entered the same middle school as Hikari and the others. She also decided to be more serious at studying and becoming independent.
!~