Separated as children and unaware they're siblings, a brother and sister struggle to reunite, reclaim their birthright, and save the world.

High school student Ichigo Kurosaki, who has the ability to see ghosts, gains soul reaper powers from Rukia Kuchiki and sets out to save the world from "Hollows".

1910s, Japan. A town with mysterious black snow. Kodo Iwamoto, a student at a military school dedicated to studying the paranormal, is sent to investigate. There, he meets a boy who believes he's sick, but Kodo recognizes the illness as something else: supernatural abilities. Kodo recruits the boy to the school and sets off across the country, chasing mysteries and searching for others like him.