Akaza kill Kyōjurō Rengoku Why because she he finds them hard to understand, especially since only those who are chosen get to become demons and she kill him by murdering him for not understanding Akaza and Kyōjurō Rengoku was 20 years old at age of succumbed to Akaza and he never came alive anymore..... his last word was set your heart ablaze. Grit your teeth and look straight ahead.”