|Kuga Asuka久香 明日花|
|Hair||Black, Waist Length+|
|Role||Half-sister, High School Student, Younger Sister|
|Visual novels||Main character - Yobai Suru Nananin no Harame|
|Voiced by||Akino Hana|
Masaya's paternal half-sister. She is smart, but has a weak body thanks to which she cannot attend to school. Her hobby is reading books.