How is the series Blood+ related to the anime Blood-C?
The series Blood+ is related to the anime Blood-C in that they are set in the same remote villages with vampires stuff included. The series Blood+ is also a collaboration between production IG and CLAMP.
in blood +, diva rapes riku and has babies. later on we find out that they are 2 girls, mabye one of saya' neices(diva's children) in blood+ is the saya in blood-c