At first, the residents of Ayakashi Hall are baffled by the discovery of a time capsule containing letters in their own handwriting, apparently from their future selves. But Natsume's ability to see beyond confirms the truth, and he is overwhelmed by the future he glimpses. The others aren't sure they want to know the full extent of what is to come when it has so obviously rattled Natsume and their later selves. Even with that knowledge, what can they do differently to face the Night Parade of a Hundred Demons?!

Ririchiyo has decided to make a fresh start, removing the blinders from her eyes and releasing Soushi from his contract. From now on, she has resolved to treat this incarnation of Soushi as his own person and to mourn the loss of the man she loved in a previous life. The change has given Ririchiyo a clear perspective, but Soushi's heart remains clouded. Playing the part of his former self for Ririchiyo's sake was an act--what will happen when Soushi's true feelings come to light...?