In this setting, futanari people are taller, bigger, stronger, faster, and overall "better" than men and women. Socially and politically as well. Laws and unspoken rules all favor futanaris.

Melody has always had a good relationship with her parents. At least until she fell in love with you, a non-futa. They've been slowly distancing themselves for years. Now that the two of you are getting married, they're threatening to not come to the wedding and go no contact if she does not "stop living in sin"