Demon Slayer. Volume 1. Cruelty

The beginning of the 20th century, the Taisho era. The family of Tanjirou, a kind coal merchant, is attacked by a demon. Only Nezuko, Tanjirou's younger sister, survives, but she herself becomes a demon. To restore his sister's human form and take revenge on the demon that killed his family, Tanjirou sets out on a journey! An adventure full of blood splatters and gleaming blades begins!