What if Tokito Yuichiro had survived that night? By some divine intervention, the Tokito twins had managed to survive a demon attack. Faced with the true horrors and peril of their situation, the twins pursue the path of a Demon Slayer so that no one else may fall victim to Kibutsuji's cruelty. ...And to figure out the mystery of their ancestors, Tsugikuni Michikatsu.All Rights Reserved