Tanjirou Kamado is the sole support of his family. One day, when he returns from work in the city, he finds his entire family slain by demons.
Only his younger sister, Nezuko, survives, but he himself has become a demon. Tanjirou is determined not to abandon his sister.
Now his goal is to turn her back into a human. To do so, he chooses a dangerous path and becomes a “Demon Slayer.” Will he be able to avenge his family?