Reimu is a human being that is attracted by humans' regrets and erodes the host.
A full-scale action of humans and spirits set in the cremation site of Kyoto-the boundary between this world and that world!
The main character, Aoi, who dreamed of a peaceful Kyoto life, met on the first day of transfer at the Yankee classmate who fights the spirit!?
Aoi who "sees" the spirit is involved in the battle between humans and spirits.
Not only the horrible ghosts but also the beautiful girls who love the enemy's spirit...