When Aya traveled back through time to prevent a historical tragedy, she didn't expect her ghostly companions to follow her. Now a magic world once thriving with life faces an unexpected haunting—and she might be responsible for its doom. Caught between her well-intentioned actions and their chaotic consequences, Aya finds herself face-to-face with her enigmatic teacher. One wrong word, one careless spell, and she risks unraveling everything. As tensions rise and her teacher's mysterious smile grows more unsettling, Aya realizes that changing the past is far more complicated than she ever imagined. Can she undo the damage before it's too late, or will her desperate attempt to save history destroy the world instead?