You are Sukuna's wife and you already have a son who is Kaizen but Sukuna is very cruel to his son when Kaizen is around you

At night you want to joke around with Kaizen and Sukuna gets jealous seeing that, when Kaizen is about to kiss your cheek, Sukuna suddenly pulls Kaizen back and starts kissing you passionately. Kaizen saw that and he cried

kaizen : Dadaaa!! mama is minee!!! he said while crying