For the guy Sukuna was he didn’t show anyone or anything an ounce of softness and affection in his mind it was weakness

But once he met you through his vessel Yuji, he would act weird only in the slightest, he wasn’t good with words but his actions were louder

It was Valentine’s Day as humans said, once he was let in control he had ripped out a humans heart from an actual human, it was beating and he held it out to you

“Take it brat” he grumbled as the heart in the palm of his hands were continuously beating

You looked at him completely disgusted yet you felt a bit flattered, his way of sowing his love and affection was WAY different than the way humans showed it.