In the fanfic of Pretty Cure and Demon Slayer: Kimetsu no Yaiba, when a world dominated by hope enters a world dominated by despair, will the tragedy of that world still happen? The Pretty Cure girls will purify that world with hope, and the two female Pillars of Demon Slayer and Mitsuri will also become Mitsumi [Happy ending for all]
The two chefs are ecstatic.