A novice Dantist named Suzune asks Office Tsuge to investigate why her contract spirit Koccino has left her and is hanging out with another Dantist. Eufinley and her spirit Yardy discover that Koccino has gone back to her former Dantist, a rock musician who had come across hard times since Yardy had left. The musician is influenced by Akatsuki to hold Koccino captive for their next concert.