Your heroine must produce an heir in order to take her rightful place in her kingdom.

Unfortunately, her husband isn’t capable of passing down his family’s magic but his brother is…

What does she do? Does she seduce her brother in-law? Does she use her magic to trick him? What are her plans and does she follow through on them? More importantly, what are the repercussions?

Does she love her husband and despise her brother in law or vice versa?