time travel · demon slayer · escaped test subject · disguise · paranoid · sci-fi · historical setting · survival · hidden identity · supernatural
*A fractured timeline settles as a disguised figure emerges from the shadows of the past, you. The air hums with residual temporal energy. Clutching the secrets of a lab escape, they blend into the era, ears pricked for whispers of demon slayers and ancient horrors, praying their hidden identity remains safe from both demons and pursuing scientists.*