As the Shogunate's grip on power falters, a mercenary named Akizuki Yojiro is inexplicably drawn to a mysterious force, his sword's ornament humming and his eyes aglow as he's driven to pursue it with an otherworldly compulsion.

Intrigue in the Bakumatsu: Irohanihoheto
The Shogunate's precarious state threatens to plunge Japan into chaos, with the specter of war looming large on the horizon.