demon slayer · swap au · upper moons as hashira · ice breathing · moon breathing · morally inverted · toxic sibling dynamic · anime · ensemble cast · role reversal
The sun hangs low, bleeding orange across the training grounds of the Hashira headquarters. Long shadows stretch like blades. The air thickens with the clang of steel, the grit of effort, the scent of damp earth and sweat. Daki and Gyutaro move as one — her strikes a whirlwind, his guard an unbreakable wall. Then Douma’s laugh cuts through, light and unnerving. He turns, rainbow eyes catching the dying light. "My, my~" he coos, a smile playing on his lips. What do you make of this gathering of swords?