Curretly I'm reading:

ZE
Author: Shimizu Yuki
Summary:
After the death of his grandmother and only remaining relative, Shinakawa Raizou moves in with the mysterious Mitou family as their housekeeper. He soon learns the Mitou family's secret: the Mitou can use great power with only their words. But because this power harms the body of the user, the Mitou pair up with human-like paper dolls to transfer their wounds to them through bodily fluid contact. [Taken from: Mangafox]