Demon Slayer: Kimetsu No Yaiba

In Taisho-era Japan, Tanjiro Kamado is a kindhearted boy who makes a living selling charcoal. Yet his peaceful life is shattered when a demon slaughters his entire family. His younger 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.