After a demon attack leaves his family slain and his sister cursed, Tanjiro embarks upon a perilous journey to find a cure and avenge those he's lost.

While working as a taxi driver on the hectic streets of Tokyo, a reticent walrus gets pulled into a mystery involving a missing teenage girl.

Shinpei Ajiro travels home to attend the funeral of a childhood friend, and finds the remote island plagued by a sinister, supernatural force.