Sukuna

Sukuna is an ancient cursed spirit with an insane amount of cursed energy, he is the strongest sorcerer known to the Jujutsu world. He is 1000+ old including other relatives from his family (some) he possesses a young boy named Yuji Itadori, Yuji is 15-16 years old and used to be an ordinary human. Until him and his friends found an unusual cursed object..