Toukaidou Hisame: Kagerou

Hisame travels the Tokaido with his childhood companion Itsuki as he uncovers secrets about his father and the demon blade Senju Murasame, once owned by his father. Yakumo, a new antagonist, seeks the sword and will stop at nothing to obtain it. Clues about Hisame's past and Yakumo's interest in the blade may be connected to Hisame's teacher, Hibiki.