'Spring Fever' actors Jo Jun-young and Lee Jae-in preview a fresh youth romance.

The new tvN Monday-Tuesday drama 'Spring Fever' (directed by Park Won-guk, written by Kim Ah-jung), set to premiere Jan. 5, 2026, is a hot pink springtime romance that will thaw the frozen hearts of teacher Yoon Bom (played by Lee Joo-bin), who feels the cold wind blowing, and the man with a burning heart, Seon Jae-gyu (played by Ahn Bo-hyun).

In the drama, Jo Jun-young plays Seon Han-gyeol, the undisputed top student of Shinsu High School and the only nephew of Jae-gyu. Han-gyeol is a self-proclaimed perfect son everyone admires with hexagonal charms, a perfect character without shortcomings in everything from grade management to conduct.

By contrast, Lee Jae-in appears as Choi Se-jin, the perpetual second at Shinsu High School and Han-gyeol's only anti-fan. Se-jin dreams of being first and, after transferring to the school, meets an insurmountable wall, Han-gyeol, and falls into an unexpected whirlpool of emotions. Their subtle emotional lines, sprouting like new shoots amid fierce competition, are expected to make the drama even more interesting.

Among them, the stills first released today (the 9th) capture the daily lives of Han-gyeol and Se-jin as they vie for the top spot, drawing attention. In particular, Se-jin, quietly lost in thought after receiving her report card, and Han-gyeol, who watches her silently, hint at their relationship and add interest.

As the subtle atmosphere between them, aware of each other yet unable to approach easily, draws attention, Han-gyeol and Se-jin, students of Yoon Bom (played by Lee Joo-bin), are expected to shoulder a new axis of youth romance that exchanges fluttering feelings amid competition and rivalry. The contrasting energies and 'grinning from ear to ear' chemistry that rising stars Jo Jun-young and Lee Jae-in will present are expected to add a lively vigor to the drama.

Meanwhile, 'Spring Fever' brings together reliable leading actors Ahn Bo-hyun and Lee Joo-bin with director Park Won-guk of 'Marry My Husband,' which recorded the highest ratings in tvN Monday-Tuesday drama history.

[Photo] Provided by tvN

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