Demon Slayer: Kimetsu no Yaiba manga volume 1 features story and art by Koyoharu Gotouge.
In Taisho-era Japan, Tanjiro Kamado is a kindhearted boy who makes a living selling charcoal. But his peaceful life is shattered when a demon slaughters his entire family. His little sister Nezuko is the only survivor, but she has been transformed into a demon herself! Tanjiro sets out on a dangerous journey to find a way to return his sister to normal and destroy the demon who ruined his life.
Learning to slay demons won’;t be easy, and Tanjiro barely knows where to start. The surprise appearance of another boy named Giyu, who seems to know what’;s going on, might provide some answers…;but only if Tanjiro can stop Giyu from killing his sister first!
