|Hirosaki Hibiki広崎 響|
|Hair||, Antenna, Brown, Short|
|Body||, Average Height, Pale, Teen|
|Clothes||, Hoodie, School Uniform, Swim Shorts|
|Role||, Childhood Friend, Classmate, Full Brother, High School Student|
|Engages in||, Bullying, Swimming, Teasing|
|Visual novels||Side character - Your Diary|
Tomoki's childhood friend and Kanade's older brother. He likes cats but is allergic to them.