Ciel Phantomhive is busy preparing his manor for a ball when three new guests appear from Japan. As part of English hospitality, Ciel invites them to the ball. At the party, though, an unwelcome intrusion occurs, and it is the start of the mystery surrounding the Japanese guests.

It is the story of a compulsive Japanese worker obsessed with order; for everything there is a site, but he realizes that he can not finds his site.