Obviously there are some further... complicating factors here, but really this is just putting into close perspective just how fucked up any "arranged marriage for heirs" really is in the first place.
Updated
Oh my...?
It appears there's some ruckus happening down there.
Don't worry about it... Wouldn't be an oni drinking party without a fight or two.
*MUNCH*
More importantly, old man Sukuna... You really don't mind, do ya?
I can do as I wish?
...Of course. We have nowhere else left to go.
Please give us some strong oni children!!
Looking forward to it... Right, Princess?
Oh, don't worry. I'll give you all the brats you want!