In two separate worlds, two women are trying to living their life like a normal person would. Both have had something in common with each other and that is a disorder of communication. But one day, their lives had suddenly been switched. How will they react? And how will they survive in the world they knew nothing about. And how will they get back to their own world? Lets follow the story of how two girls have switched places in each others lives, shall we begin? Disclaimer: I own neither Kimetsu no Yaiba nor Komi can't communicate. They both and the characters belongs to the respectful owners.