It is the Taisho Period in Japan. Tanjiro, a kindhearted boy who sells charcoal for a living, finds his family slaughtered by a demon. To make matters worse, his younger sister Nezuko, the sole survivor, has been transformed into a demon herself. Though devastated by this grim reality, Tanjiro resolves to become a "demon slayer" so that he can turn his sister back into a human, and kill the demon that massacred his family.
Shigeo Kageyama, a.k.a. "Mob," is a boy who has trouble expressing himself, but who happens to be a powerful esper. Mob is determined to live a normal life and keeps his ESP suppressed, but when his emotions surge to a level of 100%, something terrible happens to him! As he's surrounded by false espers, evil spirits, and mysterious organizations, what will Mob think? What choices will he make?
Honnouji Academy is forcefully ruled by the iron-fisted control of its student council and its president, Satsuki Kiryuin. Transfer student, Ryuko Matoi, arrives on campus carrying a giant sword, that is actually half of a scissor. She is looking for the woman who holds the other half of her sword who killed her father. It is said that Satsuki Kiryuin knows the identity of the killer but when Ryuko confronts her she is beaten by the student council and their powerful "Goku Uniforms" whom she cannot match in strength. However, once Ryuko receives her own "Kamui" by the name of Senketsu, the odds are lifted in her favor.
