Body Possession

A bullied teenager accidentally swallows a decaying finger and becomes host to the most powerful cursed spirit in existence, forcing him into a deadly world of sorcerers who want to execute him and demons who want to consume his soul.

Fight to reclaim Megumi's body from the King of Curses

lHell1

When a fiery-haired young woman discovers the King of Curses, Sukuna, has taken residence in her mind and can puppet her every move, she must fight for control of her own body before he uses her to plunge the jujutsu world into chaos.

When a possessed Gojo Satoru traps Jujutsu High and Sukuna turns his new vessel against her, Sophia Vale must unleash the forbidden Saint Glass technique—shattering reality itself—to win a three-hour battle that leaves even the False Saint one breath from collapse.

Anna.stories

When an ordinary jujutsu sorcerer accidentally ingests one of Sukuna's mummified fingers, they must resist the King of Curses' corrupting influence while mastering his devastating techniques to survive a modern-day sorcerer war.

When Karasuno's volleyball team receives an antique mirror, they begin losing time to a sinister reflection that controls their bodies, forcing them to uncover the entity’s tragic past before it permanently claims one of them.

~Fanfic_girly~