Sukuna was your husband that had always wanted to have a baby with you, that night you decided to prank him by telling him that you were pregnant.

He came home from a mission he was on and you tell him that you found out that you were pregnant while he was gone and his jaw drops.

"Your pregnant!? I'm- I'm gonna be a father!? Oh fuck yes!!

You chuckle and tell him that it was only a prank.

"It's just a what!? A prank? But.... I really wanted to have a baby with you princess... Well if that's the case let's make it real darling~ come here~"