The newly awakened Kaneki unleashes his monstrous strength to protect his friend Touka and finds himself irrevocably changed. Kaneki sets out on his own, determined to find out the truth behind what's happening to him—and what the Aogiri Tree organization actually is.
Learning to destroy demons won't be easy, and Tanjiro barely knows where to start. The surprise appearance of another boy named Giyu, who seems to know what's going on, might provide some answers—but only if Tanjiro can stop Giyu from killing his sister first!
Tanjiro and Nezuko cross paths with two powerful demons who fight with magical weapons. Even help from Tamayo and Yushiro may not be enough to defeat these demons who claim to belong to the Twelve Kizuki that directly serve Kibutsuji, the demon responsible for all of Tanjiro's woes! But if these demons can be defeated, what secrets can they reveal about Kibutsuji?