Amidst a blizzard caused by UMA Winter, Billy receives a report on the Autumn battle and learns Undead and Unluck are evolving. Juiz appears, revealing to him that the artifacts…

Demonic Vice-Commander of the Shinsengumi, Toushirou Hijikata, acquires a cursed sword–one which completely rewrites his personality, morphing him from a hard-boiled, no-nonsense cop into a hopeless otaku. As he struggles…