Into the shadows

After losing their family to a brutal demon attack, siblings Giyuu and Y/N are thrust into a harsh and unforgiving reality. When their desperate cries for help are dismissed by others as mere fantasies, they set out on their own, determined to survive. Along the way, they face another deadly encounter, only to be saved by a mysterious swordsman. This chance meeting opens the door to a hidden world of Demon Slayers-warriors who battle the creatures of the night.