A mysterious vampire hunter makes his appearance.Can Naoko and Kaien solve the puzzle before it is too late?
Kamui and Kaien try to find Naoko who has being missing.Can they find her?
Naoko after the death of her family lives with Kamui and Kaien.In the daytime she is just a student.In the night time she has a different role.
We explore the past from the point of view of Ichika's brother,Ichinose Narukami
Prequel of Pierro We see the story of past from the point of view of Ichika Narukami