Akira is your typical student living a conventional high school life. He has dreams and aspirations like everyone else, and an unrequited crush on his childhood friend, Kurumi. Unfortunately for him she seem...

28 years earlier, there was a plane crash in the mountains of Gifu Prefecture. The barrier that the Kobo Daishi, Kukai had created to seal away the demons was destroyed in crimson flames... Present day, Oniw...