Sakuya's father and legendary detective is gone, and the sleuths working at his agency have left as well. To protect his dad's agency and to have a home they can return to, Sakuya and his assistant Lilithea work as one to solve the crime before them in this final volume.

Sakuya's father and legendary detective is gone, and the sleuths working at his agency have left as well. To protect his dad's agency and to have a home they can return to, Sakuya and his assistant Lilithea work as one to solve the crime before them in this final volume.