Jiujiu manga

M.ANIMEA SUM:
The Hachiouji family hunts demons in the darkness. The heiress of the Hachiouji family, Takamichi, lost her older brother at a very young age. She isolates herself, but, one evening, two werewolf pups are given to her. After just a few years, they have grown quickly, and they even go to the same senior high school that she does! Note: The serialization of the series has been transferred to The Hana to Yume.
LINK:
http://manga.animea.net/jiujiu.html
http://www.mangareader.net/jiujiu