Kyuuketsuhime Yui: Kanonshou
Other titles :
吸血姫 夕維―香音抄, 吸血姫夕維-香音抄, 吸血姫美夕, Vampire Princess Yui, Vampire Princess Yui: Kanonsho, Vampire Yui Kanonshou, Yui Kanonshou
Author(s) :Kakinouchi Narumi
Mysterious girl arrives at the door of a church covered in blood. She utters out the name "Nagi" before collapsing. She's taken in by the priest of the church. She starts out with no memories of her past, but slowly has strange dreams about her mother, and from that she discovers her name, Yui.