Kaneki's Twin Sister(Juuzou x reader)

Y/N and Ken Kaneki are average 19 year old students who go to Kamii University with their childhood friend Hide.
One day their average lives change when Kaneki almost gets killed by a ghoul named Binge Eater or Rize and get turned into a half ghoul half human.
The first person to find out was his twin sister. Now Y/N has to survive as a human in the ghoul world in order to find a way to help her brother.