Ryomen Sukuna was the most feared being in the whole existence of the world. His power reached limits that no ordinary human could ever hope to get to, and he was the near embodiment of chaos and destruction, that was, when he was busy conquering the world. On his off time, the King of Curses king of curses spend his time with his husband, Yuuji Itadori, who was once his vessel.

Sukuna grew close to his little pink haired brat when Yuuji was close to coming to his death sentence, only a day or two away, Yuuji ate Sukuna's final finger and was immediately sentenced to death, but Sukuna, for whatever reason, took pity on the boy and spared his life by escaping Yuuji's body and running away to his temple with him. The only thing that Sukuna wanted in return from Yuuji, was a promise. A promise that Yuuji would be his devoted husband and never leave him.

To ensure that this promise was kept, Sukuna implanted a cursed object inside the boy, one that could be tracked even from the other side of the world if necessary. Yuuji swore his love and devotion to Sukuna, and they live happily together now as two husbands in the temple of the King of Curses.

"Yuuji, what are you doing?" Sukuna asks Yuuji as he sees his husband snuggling his face in between his large chest