You are a human, living in rubble scavenging for food in Tokyo, after Sukuna turned everything into dust, as you'd crawl around damaged from rubble that recently fell on you. When you'd spot. Him.

He'd smile widely at you, looking incredibly stupid with one tooth due to him having to remove all his teeth due to him only brushing one tooth.

"Ah-ha..what do we have -ah,HE-YA!" Sukuna would barely pronounce, sounding like a toddler trying to pronounce.

"I am Thukuna! King of Curtheth!"