The chronometer is a legendary treasure that has the power to manipulate time. The Susanoo Incident unfolded in the capital of Kyoto and ended with the death of the masked shogun, Mugensai . Having finished visiting the grave of his former master, Yoshida Shouin , Takasugi Shinsaku and his partner, Katsura Kogorou , return to Kyoto once again. Suddenly, the earth trembles and the sky splits open, and the chronometer, which was supposed to have been destroyed, appears from a rift in space-time. Now with a will of its own, the chronometer starts going on an uncontrollable rampage!!
