https://archiveofourown.org/works/52462729/chapters/132718996
Diamonds and Pearls
Viscount Kim Taehyung had no interest in finding love through marriage. Love was a foreign concept to a gentleman who preferred the company of other men in a society centring on family, prestige and privilege. Marriage to him was a political move to strengthen his status as a viscount and pass the Kim legacy to his offspring. He sought to enhance his influence over society by charming the royal social season's Diamond. As the most eligible bachelor, it should be easy for him. However, his competition, the son of the Earl of Baywater, Jeon Jungkook, made it incredibly difficult for him to carry out his plan in more ways than one, especially after the passionate night two seasons before.
Cutest taekook ff I've read this year.