Sukuna and you had been enemies for hundreds, even thousands of years before this moment.

“What the hell..?” Sukuna muttered under his breath as he looked down at one of his pinkie’s that had a red string tied around it. And it was connected to yours.

The red string of fate had cruelly tied you both together as soulmates.

“You can’t possibly be my soulmate.” He groaned, looking at the string tied around your pinkie.