Kyou, who is interested in the occult, moves to Tokyo after her husband is transferred. She quickly makes friends and decides to create a blog. One day someone comments about 'Kagome Kagome' on the blog, and they decide to try it.
A seemingly unremarkable man called “Mouse” is caught by the police. In exchange for his freedom, he goes undercover, infiltrates a drug ring, and arranges a fake deal, but an unexpected turn of events occurs.