In an alternate universe where things went differently during the final battle, how will these new slayers finish what Tanjiro couldn't? The story follows Takeshi Hashibira and his group of childhood friends on their quest to better understand his grandfather's last wish. After finding old scrolls his grandfather left behind he discovers what demons are and how his grandfather was a demon slayer, and he's now determined to get the revenge grandfather never could. How will they avenge those lost, old and new? How will they prevent Kibutsuji from becoming the world's ruler? What will they be able to learn from the old and new faces in this story? Takeshi and his group will discover all of these as they take their journey as the New Generation of demon slayers!