Yun Yaoyao accidentally traveled into a novel where she became the expendable character who died at the beginning. After assassinating the tyrant, Tu Shan Jin, their souls swapped. As they navigated a series of crises together, they developed feelings for each other and eventually ended up together.

該片基於吾峠呼世所著漫畫《鬼滅之刃》創作而成，是2019年播出的TV動畫的續篇，講述灶門炭治郎和煉獄杏壽郎與下弦之壹魘夢 作戰的故事。

該片基於吾峠呼世所著漫畫《鬼滅之刃》創作而成，是2019年播出的TV動畫的續篇，講述灶門炭治郎和煉獄杏壽郎與下弦之壹魘夢 作戰的故事。