Yuji Itadori is the main protagonist of Jujutsu Kaisen, a high school student who becomes the host of the powerful curse Sukuna after swallowing one of his fingers. Choso is a supporting character who is a half-human, half-cursed spirit known as a Death Painting Womb, created by the sorcerer Noritoshi Kamo centuries ago. How are these two characters related, and what is the secret behind their birth?