'Spring Fever' actors Ahn Bo-hyun and Jo Jun-young meet as uncle and nephew.

The new tvN Monday-Tuesday drama 'Spring Fever' (written by Kim A-jeong, directed by Park Won-guk, planned by CJ ENM STUDIOS, produced by Bon Factory), scheduled to premiere Jan. 5, 2026, is a hot pink romance of spring days that will thaw the frozen hearts of teacher Yoon Bom (Lee Joo-bin), chilled by cold winds, and the man with a burning heart, Sun Jae-gyu (Ahn Bo-hyun).

On the 12th, 'Spring Fever' released a still capturing the uncle-nephew moments of Ahn Bo-hyun and Jo Jun-young. The bickering, realistic family chemistry between Jae-gyu and Han-gyeol is naturally captured, drawing attention.

In the drama, Ahn Bo-hyun plays Sun Jae-gyu, a person of interest who stirs up the town with outrageous behavior, and Jo Jun-young plays Jae-gyu's one and only nephew and the unshakable top student at Shinsu High School, Seon Han-gyeol. The two, heralding the birth of a one-of-a-kind visual family, are expected to target viewers' tastes with their warm family synergy.

In the released stills, Jae-gyu, contrary to his large frame and rough first impression reminiscent of back alleys, shows a reversed charm as he devotes himself to Han-gyeol's daily life more sincerely than anyone. Jae-gyu's life goal is to raise Han-gyeol properly. Thanks to Jae-gyu's tendency to want to do everything for Han-gyeol, he earned the nickname "nephew fool," prompting curiosity about how he became Han-gyeol's guardian.

Meanwhile, Han-gyeol draws attention as he makes a subtle expression while looking at Jae-gyu, who takes care of him meticulously. The contrasting reactions of Jae-gyu, who would do anything for his nephew, and Han-gyeol, who looks at such an uncle, make their relationship even more intriguing.

Regarding this, the production team said, "The acting of Ahn Bo-hyun and Jo Jun-young, who teamed up as uncle and nephew, was undoubtedly the best," and added, "Please look forward to it, as their visuals and solid acting synergy will lead another pillar of the drama."

The new tvN Monday-Tuesday drama 'Spring Fever,' starring top actor Ahn Bo-hyun, newcomer Jo Jun-young, and director Park Won-guk of Marry My Husband, which recorded the highest ratings in tvN Monday-Tuesday drama history, will premiere at 8:50 p.m. on Jan. 5, 2026.

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