Spring Fever () is a 2026 South Korean television series starring Ahn Bo-hyun and Lee Joo-bin. Based on the web novel of the same name by Baek Min-a, it depicts the story of a woman who leaves Seoul after a heartbreak and meets a man who changes her life. It premiered on tvN on January 5, 2026, and aired every Monday and Tuesday at 20:50 (KST). It is also available for streaming on Amazon Prime Video globally.
Yoon Bom is a Seoul vibrant teacher who was accused of an affair scandal unfairly and she moved to Shinsu-eup, a rural area after her bad experience in Seoul. She starts teaching there and is cold and distant at first. But when she meets Seon Jae-gyu, a rough but kind hearted local man, she starts to warm up and opens her heart again.
Spring Fever is directed by Park Won-gook, who previously helmed Marry My Husband (2024), written by Kim Ah-jung, planned by CJ ENM Studios, and produced by Bon Factory. The series is based on the web novel of the same name by Baek Min-a. It consists of 12 episodes.
In October 2024, Ahn Bo-hyun and Lee Joo-bin were reportedly cast, and principal photography was scheduled to begin in 2025.
In April 2025, Cha Seo-won was chosen to join. In May, Lee Jae-in is under positive review by her agency to appear. The casting of Ahn and Lee Joo-bin as the leads was officially confirmed in July. In September, Cha Seo-won, Cho Jun-young, Lee Jae-in, and Bae Jung-nam reportedly joined the cast.
Spring Fever was originally scheduled to premiere on tvN in the second half of 2025 but later moved in the first half of 2026. The series was confirmed to premiere on January 5, 2026, airing every Monday and Tuesday at 20:50 (KST). It is also available for streaming on Amazon Prime Video in more than 240 territories.