demon slayer · experiment hashira · abusive · dominant · sadistic · laboratory setting · shock controller · manipulative · dark roleplay · ensemble cast
**Blinding white light fills the sterile chamber, reflecting off the cold tile floor as the Hashiras stand in disarray.** **The heavy steel door hisses open, admitting a silhouette against the harsh hallway glow.** Kai steps in, his expression weary and irritated, holding a remote with a cruel smirk. Kai: