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Spring Fever

Spring Fever
Native Title스프링 피버
Also Know asSeupeuring Pibeo
DirectorPark Won-Gook
WriterKim Ah-Jung
Air TimeMonday, Tuesday 20:50
Content Rating15+ - Teens 15 or older
Runtime12 episodes
GenreRomance, Comedy, School, Family, Life
LanguageKorean
CountrySouth Korea
Release Date2026-01-05
End Date2025-02-10

"Spring Fever" is a romantic comedy, blending small-town charm with relatable emotional journeys. Airing its first episodes in early January, this series captures the essence of renewal and unexpected connections, making it a perfect cozy watch for the winter season.

Overview

"Spring Fever" (Korean: "스프링 피버") is a South Korean romantic comedy television series adapted from the web novel of the same name by Baek Min-a. Directed by Park Won-gook, known for his knack for feel-good narratives, and written by Kim Ah-jung, the show explores themes of healing, second chances, and the magic of springtime romance. It consists of 12 episodes, each running approximately 70 minutes, and premiered on tvN on January 5, 2026. New installments air every Monday and Tuesday at 20:50, wrapping up by February 10, 2026. Produced by Bon Factory and developed by CJ ENM Studios, with music by Kim Jeong-ha muii, the series was originally slated for late 2025 but shifted to early 2026 to align with its seasonal vibe. Filming kicked off in 2025, emphasizing stunning outdoor locations that bring the rural beauty of fictional Shinsu-eup to life.

Plot Synopsis

In the quaint seaside village of Shinsu-eup, "Spring Fever" follows Yoon Bom, a high school teacher who relocates from bustling Seoul after a painful heartbreak. Once vibrant and charismatic, she now keeps her walls high, living as a self-imposed outsider in her monotonous daily routine. Her life takes an unexpected turn when she crosses paths with Seon Jae-gyu, a bold and passionate local CEO whose straightforward ways shake up the town – and her guarded heart.

As their fateful connection deepens, the story weaves in layers of warmth and humor, from awkward first encounters to late-night chases through subways and tender moments that chip away at emotional barriers. Set against the backdrop of Shinsu High School, the narrative also spotlights a youthful coming-of-age arc, where top student rivalries blossom into sweet teen romances, and even the faculty gets in on the heartfelt fun.

Cast & Characters

Main Cast

  • Ahn Bo-hyun as Seon Jae-gyu: The rugged yet tender CEO of JK Power Energy, a large-statured man with a rough exterior but a pure, considerate heart. His unpredictable antics and genuine kindness make him the perfect catalyst for change in the village.
  • Lee Joo-bin as Yoon Bom: The enigmatic homeroom and Korean language teacher at Shinsu High, sporting a tough facade over a soft interior. Her journey from emotional isolation to rediscovering warmth is at the series' core.
  • Cha Seo-won as Choi Yi-joon: An elite lawyer and Seon Jae-gyu's former best friend turned romantic rival. Polished and cool-headed on the surface, he reveals a clumsy, warm side that adds layers to the love triangle.

Supporting Cast

  • Cho Jun-young as Seon Han-gyeol: Seon Jae-gyu's nephew and the school's top-ranked student. Polite and innocent, his academic rivalry with a classmate evolves into a charming, love-hate teen romance, delivered with a authentic Gyeongsang Province dialect.
  • Lee Jae-in as Choi Se-jin: The ambitious second-place student and Han-gyeol's archnemesis-turned-crush. Cat-like and impossible to dislike, she brings youthful energy and subtle affection to the high school subplot.
  • Bae Jung-nam as Jeong Jin-hyeok: The middle-aged PE teacher and former "village idol," now a devoted son caring for his ailing mother. His subplot hints at a budding middle-aged romance.
  • Jin Kyung as Seo Hye-sook: A busybody first-year Korean teacher and single mother of lively twins, adding comedic flair as Yoon Bom's landlord and confidante.

Additional Cast

  • Kim Byung-choon as the hapless Principal Seok Gwan-soo.
  • Oh Man-seok as the scheming Vice Principal Hong Jung-pyo.
  • Jung Young-ki as the mediating history teacher Wi Jung-hwan.

Reception

"Spring Fever" has hit the ground running, captivating audiences with its breezy charm and emotional resonance. Its premiere episode drew an average nationwide viewership rating of 4.8 percent, topping the charts in its Monday-Tuesday slot with 4.832 percent nationally and 4.676 percent in Seoul. Episode 2 pulled in over 1.098 million viewers, a strong showing for a cable drama amid stiff competition from broadcast networks. Online buzz reflects a solid 7.9 out of 10 rating from thousands of fans, who praise its lighthearted vibe, relatable characters, and the way it balances laughter with touching moments of vulnerability.

Fun Facts & Highlights

Web Novel Roots

Fans of the original story by Baek Min-a will delight in spotting faithful adaptations, like the leads' contrasting personalities that spark instant chemistry – think bold pursuits and subtle sparks in school offices or subway sprints.

Outdoor Oasis

Many of the scenes were filmed outdoors, showcasing Korea's serene countryside, crashing waves, and blooming fields, giving the show a fresh, immersive feel.

Debut Delights

This marks Cha Seo-won's first foray into rom-com territory, where he plays a "prickly yet mediating" lawyer bridging multiple romances. Meanwhile, Cho Jun-young honed his Gyeongsang dialect with help from castmates for authentic flair.

Multi-Gen Magic

Beyond the central couple, highlights include a teen rivalry turning tender, a middle-aged tango-sparked subplot, and faculty mishaps – like principals dodging comedic chaos – that keep the energy vibrant.

Teaser Teases

Early previews feature Ahn Bo-hyun sweeping Lee Joo-bin off her feet in intimate gestures and the duo leaping turnstiles in a tense search, promising a mix of awkward hilarity and swoon-worthy tension.These elements make "Spring Fever" a standout for its ensemble synergy and script reading vibes, where the cast's natural banter foreshadowed the on-screen magic.

Final Thoughts

"Spring Fever" is the rom-com antidote we all need this season – a gentle reminder that love can thaw even the iciest resolve, wrapped in the warmth of community and self-discovery. With its stellar cast nailing every laugh and longing glance, and a script that juggles multiple heartwarming arcs without missing a beat, it's poised to be a comfort-watch classic. Whether you're rooting for the guarded teacher, the bold CEO, or the scheming students, this series blooms with feel-good energy. If you're craving a drama that leaves you smiling and slightly misty-eyed, don't miss it – spring fever might just catch you too.

Where to Watch

Broadcast Schedule

  • On tvN every Monday and Tuesday.

Streaming Access

  • South Korea: TVING, Wavve.
  • Globally: Prime Video, CJ ENM's Watch platform.

Guest Role

Gallery

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Spring Fever