Demon Slayer: Kimetsu No Yaiba: the Strongest Goddess Strategy System

Are you amazed by the beautiful faces of many beautiful girls in Demon Slayer: Kimetsu no Yaiba? Do you feel sorry for their untimely death and wish you could personally change their sad fate? Now, the opportunity has come. As long as the host is willing to sacrifice 100 million points of his lifespan, this strongest goddess guide system can give you infinite power and bring you to the world of "Demon Slayer", completely reversing the fate of the person you want to save!