Scott_O

Hello GreenEyes, maybe you can help me. There's a title I've been thinking about for a while now and I'd greatly appreciate your help. its an anime where a boy about 5 ish meets a spirit girl about 20 ish in the first scene on a roof top she was being hunted and i think she kissed the boy and entered him and years later at a school she comes out as a familiar its some what older anime as well been some time since i have seen it think there was two seasons