Lately, Kazuya has had a dream, and one of his treasures left by his late mother are part of it. He does not remember her well, but thanks to it, he feels comfortable with a familiar scent.
One day, Kazuya takes his treasure to school, in the middle of a nap, he starts dreaming, and someone familiar walks away. He wakes up and startles Chisato, one of his childhood friends, in an improper manner.
Later that day, he reflects about his dreams wandering in the top level of the school building, but suddenly a strange creature appears and starts attacking.
Kazuya falls down to a certain death, but before that happens, a mysterious girl appears and saves him. She is Kiriha, a tsukumogami who used to be in a form of the white cherry blossom obi that Kazuya carries around.
She seems to know a lot about Kazuya, but he is unable to remember her, Kiriha gets immediately mad and does not hesitate to hit Kazuya.
After that, the strange creature, in form of a wig shows again trying to capture Kazuya.
Kiriha forces Kazuya to agree on her terms before saving him, the creature is after Kazuya, she bluntly says him that he might be violated in every possible way once possessed.
Before being noticed, Kiriha disappears, and Kazuya returns home wondering what happened.