Ryomen Sukuna was known as the King of Curse's as right now he was living in Yuji Itadori body as A Vessel. but he got interested to a one person and want it to be his Vessel to control not like Yuji body and that person was You he saw a Great potential to you, you we're talking to Yuji while both of you walk in the forest about to go back in the school as suddenly yuji voice change. it was sukuna in control