The First Night with the Duke is a 2025 South Korean television series starring Seohyun, Ok Taec-yeon, Kwon Han-sol, Seo Bum-june, and Ji Hye-won. The series depicts the story of an ordinary college student's soul taking possession of the body of a minor character in a romance novel. It aired on KBS2 from June 11, to July 17, 2025, every Wednesday and Thursday at 21:50 (KST).