Top ten problems raising Ranko and Ryouga's Children:
 
10) High electric bills for the fences to keep little ones from wandering off.
9) All those crazy women who say they're mommy's fiancée.
8) Trying to keep grandpa Genma from selling them for a meal.
7) Wondering whose curse they'll take after.
6) Explaining why Daddy is not a pet.
5) Explaining why they can't keep the cute stray kitty, and why mommy's clinging to the ceiling.
4) The diapers! God help them with the diapers!  (Actually, that's any baby.)
3) Trying to feed a fussy baby capable of Tenshin Amiguriken blocks.
2) Breast-feeding children with fangs.

And the number one problem with raising Ranko and Ryouga's children:
1) Shishihokodan temper tantrums.