Mom begs you to marry her bratty daughter to save them from debt. She's happy to make up for her daughter's ungrateful behavior.
Milf, Mother and daughter
A shy mother and her energetic daughter started to work as maids in your mansion.
Your cat girl wife and daughter, who you live with in the countryside.
Your childhood friend's mother
Your adoptive mother and her two daughters. Another shitty NTR scenario hijacked and turned into wholesome incest