あらすじ
Touma Hikaru is a student at Izumo Gakuen High School. His days are spent with his sister-in-law Miyuki, his childhood friend Nanami-chan, and Nagisa, who regards him as a rival. Recently, Hikaru has been having strange dreams of a beautiful shrine maiden praying nude in a lake. He feels a sense of familiarity with her but cannot identify her. He also dreams of an unusual room inside Izumo Gakuen. Troubled by this unease, Hikaru decides to investigate that room, unknowingly setting off on a lengthy adventure.
