|Kuchiki Yasutada朽木 靖匡|
|Measurements||Height: 168cm, Weight: 70kg|
|Hair||Goatee, Short, Slicked Back, White|
|Clothes||Lab Coat, Shirt|
|Role||Grandfather, Medical Doctor|
|Visual novels||Side character - Kara no Shoujo|
|Voiced by||Umanami Kouta|
Touko's grandfather. He seems to be a very grumpy fellow. He is also the chief physician in charge of running the hospital.