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.
The Ganglar have stolen the Lupin Collection, treasures left behind by the famous phantom thief, Arsène Lupin. Phantom thieves are fighting to take back what was lost. Police are fighting to protect the peace.