Idly indulging in baseless paranormal activities with the high school's Occult Club, high schooler Yuuji Itadori's lifestyle soon takes a turn for the strange when he unknowingly encounters an actually cursed item.
So, triggering a chain of supernatural occurrences, Yuuji finds himself suddenly thrust into the world of Curses —dreadful beings formed from human malice—
and discovers the chance to fight back those creatures by swallowing the unknown item: a finger belonging to the legendary demon Sukuna Ryoumen, the "King of Curses."
