Demon Slayer, Vol. 8 By Koyoharu Gotouge

Tanjiro manages to stop the train. While the demon slayers tend to the injured, Akaza, a Crescent Moon demon, falls from the sky and offers Rengoku the chance to become a demon himself so he can live forever. Rengoku refuses, and the two engage in a brutal battle that ends tragically for the demon slayers. Back at the Butterfly Mansion, Uzui, the Sound Hashira, attempts to kidnap the girls working there for a mission…