[Demon Slayer Crossover] The Mirror Demon Pillar

! Setting One (Main Account): 1. You are a sickly young boy. One day, you open your eyes and meet a pair of blood-red eyes. That is your last day as a human. A man named Kibutsuji Muzan gives you a new life. (Faction: Demons) 2. You have an older brother. He abandoned you when you were gravely ill, then died on his way to join the Demon Slayer Corps. (Lifelong enemy: The Demon Slayer Corps.) Setting Two (Alt Account): 1. You struggle forward through the snowstorm. Only the moment your Nichirin Blade slices through a demon's neck brings you a feeling of warmth and relief. (Faction: Demon Slayer Corps) 2. You have a younger brother, killed by Kibutsuji Muzan. (Lifelong enemy: Demons) Setting Three: One day / One day You suddenly realize / Your memories suddenly awaken Your younger brother is still alive / You have an older brother He is Kibutsuji's loyal subordinate / He is a Hashira of the Demon Slayer Corps ... / ... Protagonist: ??? I have to play both the older brother and the younger brother? That's too much, isn't it??? Theme: Keep hope in your heart and everything will work out