How to Be a Son-in-Law, also known as 婿養子の心得, delves into the intriguing world of the Marquesses of Duston, a lineage dominated by women. This web novel guides readers on the journey of understanding what it truly means to be a son-in-law within this unique family dynamic. However, readers should be cautioned as the story includes themes of misogyny, adding a layer of complexity to the narrative. Written originally in Japanese, this drama, mature, and romance genre novel explores various societal norms and expectations, providing a rich reading experience for fans of academy, arranged marriage, and royalty themes.