Synopsis

Takes place in Taisho-era Japan: A sweet, peaceful life for Tanjirou, a kind boy who sold coal. But everything turns terrible when demons attack and kill his family. His only surviving family member, his little sister Nezuko, turns into a scary demon herself! To turn Nezuko back to normal and take revenge on the demons, Tanjirou sets off on a journey. His story, full of action and sword fights, is now an exciting adventure!

(Source: Shonen Jump)

(Note: Has 2 extra chapters, nominated for the 24th and 25th Annual Tezuka Osamu Cultural Prize.)