Spoilers! Spoilers! CHAPTER 16 (book 3 of 18): A Farewell Drink The Bat (aka Kōmori) of Kai (a ninja assassin from the Takeda clan based in Kai Province who was disfigured by Oda Nobunaga (1534-1582) in Azuchi Castle) has arrived in Kanazawa. Hotaru (aka Firefly the female ninja) is now living with Maeda Keiji (inspired by real-life samurai Maeda Toshimasu (1543-1612)). The Bat of Kai (who is Hotaru's former ninja tutor and an opium addict) drugs Hotaru to make her poison Keiji, she commits suicide via secret Seppuku. Keiji promises to slay ALL Kaga ninjas. CHAPTER 17: High on Rage Keiji cremates Hotaru's body. Ninja master "Flying (tobi)" Kato (Kato Danzo (1503-1569)) of the Takeda clan (Uesugi Kenshin (1530-1578) wanted Danzo killed because he was too skilled) and the Fuma clan, kills some of Yotsui Shume (leader of the Kaga ninja army of Keiji's uncle. An homage to actor Jack Nicholson)'s men with his Tang sword (Tang Dao). The Bat of Kai challenges Keij...