The war never stops: in a different time, on a different battlefield,hiding deeply into the folds of History… They are called Chiropterans.They can change their form and disguise as human beings, but they arenot. They are immortal creatures that feed off blood.
An organization, named Red Shield, has been fighting to exterminatethis pestilence, and the struggle has now evolved into something of amuch bigger scale.
Okinawa, Japan. Year 2005. Now.
Saya Otonashi is a high-school girl living peacefully with herfamily – with one exception: she has no memory of her life except forthe past year. One day, a startling event causes her happy life toshatter into pieces.
An enemy to destroy, a mission to accomplish – the vortex of anancient struggle is dragging Saya back to her destiny. A young andhandsome cello player in dark clothes appears – his name is Hagi. Themoment he hands Saya a Japanese sword, History starts a new course.
Will Saya be able to restore her memory and find her own identity?