Pure white (Yaoi)

AU. Ichigo is a high school student who is left alone after his mother dies. His life is very empty, however, everything changes when he meets a certain hybrid cat, Shirosaki Hichigo, in short Shiro. The cat saves the teen from Grimmjow, another hybrid, out of blue. To thank him, Ichigo invites him to stay 1 month in his house. They hate each other, but until when?