|Minase Sayo水瀬 小夜|
|Hair||, Blunt Bangs, Short, Short Hime Cut, Sidehair, Straight, Violet|
|Eyes||, Tareme, Violet|
|Body||, Pale, Slim, Teen|
|Clothes||, Pleated Skirt, Ribbon Tie, School Uniform, Shirt, Vest|
|Personality||, Carefree, Emotional, Outgoing, Protective, Tomboy|
|Role||, Daughter, Student, Twin Sister|
|Engages in (Sexual)|
|Visual novels||Side character - Suika|
Makes an appearance - Utau Ehon 1 2 3 Hai!!
|Voiced by||Torii Kanon|
Sayo is Itsuki's twin sister. Unlike her sister, she is very sociable and cheerful. She acts like a big sister to everyone and won’t stand for injustice, but she often acts before she thinks. She also holds special feelings towards Akira, but...