Ki Oni Tachi

[Machine Translation] The owner of a money changer shop and his handmaiden were on their way home from a rendezvous when, in the middle of the night, they were cut down by the Nihonbashi River with a single sword. Judging from the manner of his murder, he was quite a master of the art of swordsmanship. Was he a street cutter or a thief? It is similar to the murder of a medicine wholesaler six months earlier. Shinjuro and the Onihiko-gumi are ordered by the magistrate to solve the case. The Inquisitor's office is set in motion, and the skilled dark men attack them one after another....

両替屋の主と手代が寄り合いの帰り道、夜半、日本橋川の際で一刀のもとに斬り捨てられた。手口から見ると、かなりの遣い手だ。辻斬りか、物取りか。半年前、薬種問屋が殺された時に似ている。新十郎たち「鬼彦組」に奉行から事件解決の命が下る。動きだす奉行所の同心たちに、腕の立つ闇の者どもが次々と襲い掛かるが...。