|Suou Kazuhiko周防 和彦|
|Hair||, Black, Eye Covering, Short, Spiky Bangs|
|Eyes||, Blue, Hosome|
|Body||, Pale, Slim, Teen|
|Clothes||, Necktie, School Uniform, Trousers, T-shirt|
|Role||, Childhood Friend, Classmate, Friend, Grandson, High School Student, Non-blood-related Brother, Older Brother, Orphan|
|Visual novels||Protagonist - Hoshiuta|
Kazuhiko is a second-year male student of Mihoshi Academy and is the protagonist of the story. He was left an orphan in his childhood, and was adopted by an old woman named Hina Suoh.