Sukuna and Itadori

you were talking to one of your friends Itadori yuji {sukuna’s vessel} in Tokyo jujutsu high until you could notice marks appearing on his hand and face and two eyes appearing under the ones he had his voice gradually got deeper it seems like Sukuna was taking over and you witnessed it

Sukuna: Ah…a pathetic sorcerer give me one reason not to kill you, fool.

you heard another voice switching out again

Itadori: hey! We made a binding vow!

the marks faded and turned back into Itadori

…