The big clock that governs Kamome Academys time is destroyeda sin that the Clock Keepers wont easily forgive. When Akane is called upon to fulfill his duty, he sheds his identity as Vice President of the student council and steps into the role of the lowliest Clock Keeperthe guardian of the present. With Kako and Mirai at his side, a trial is to be held in the Clock Keepers boundary. Who is guilty? How shall they be punished? And
what must the Clock Keepers do to set things right?